MKIII Wilwood 12.2" Rear Brakes Without Parking Brake. [Archive]

arz

12-18-2006, 09:37 PM

Here you go guys, I finally got all parts back from the machine shop and some from Wilwood. I finally have a set of matching rear brakes for the MKIII Supra. Again Just like before this is a bolt on kit all you need is brake fluid and the proper tools.
The introductory price is $995 plus shipping and handling.

The kit includes
2, 12 inch x 1.25 thick Wilwood rotors
2, Rotor hats, the center piece (These will include all the grade 8 fasteners)
2, Wilwood 4 piston "forged" Superlite Calipers
2, Aluminum Caliper brackets and steel threaded inserts
2, Brake lines "braided stainless steel"
4, Brake pads, Wilwood Street Compound = low dust = excellent cold performance
and all required fasteners to complete the install.

This price reflects no Line Lock or Proportioning valve. Proportioning valves are not required on ABS vehicles and a Line Lock is optional also. Right now the only provision for a parking brake is a line lock.

The Line Lock I sell for $29.

The Proportioning Valve I sell for $39.

I am working on a design to retain the parking brake and will update this first post to reflect it and start a new one also. The good news is the parking brake design use the same Caliper, Brake Pads, and Brake Line.

I have all the parts in stock and can ship within 24 hours.

Heres a link to the front brakes (http://www.supramania.com/forums/showthread.php?p=354055#post354055)

Heres some photos
http://www.arizonaperformance.com/parts_photos/Brakes%20Rear_MK3_12%20inch/02180001_resize.JPG (http://www.arizonaperformance.com)

http://www.arizonaperformance.com/parts_photos/Brakes%20Rear_MK3_12%20inch/02170014_resize.JPG (http://www.arizonaperformance.com)

http://www.arizonaperformance.com/parts_photos/Brakes Rear_MK3_12 inch/02230006_resize.JPG

http://www.arizonaperformance.com/parts_photos/Brakes%20Rear_MK3_12%20inch/02170005_resize.JPG (http://www.arizonaperformance.com)

http://www.arizonaperformance.com/parts_photos/Brakes%20Rear_MK3_12%20inch/02170004_resize.JPG (http://www.arizonaperformance.com)

JMDigital

12-18-2006, 11:14 PM

These are nice lookin. Do you have a special price for getting both front and rear at the same time?? ;) These may have to go on when we do my rebuild!

arz

12-18-2006, 11:33 PM

Sorry no specials just yet.

tissimo

12-19-2006, 08:16 AM

so, ebrake connect to the calipers now or doesn't work anymore?

mkiii90t

12-19-2006, 08:49 AM

so, ebrake connect to the calipers now or doesn't work anymore?

I got the same question. Will the ebrake be gone?

tissimo

12-19-2006, 08:55 AM

just reread the ad and it seems its gone for now, but he is working on something to get it to work

atlpd3147

12-19-2006, 10:12 AM

Anyone out there that has the front kit can find out if the stock tt mkiv wheels can clear arz's bbk?

Turbo Skegget

12-19-2006, 10:46 AM

Will the rotors be slotted like the front or plain as in the pics?

arz

12-19-2006, 10:50 AM

just reread the ad and it seems its gone for now, but he is working on something to get it to work

Thats correct, if you purchase the kit now you will disconnect and remove the two parking brake cables, then later I will have an option to retrofit a parking brake and it will use the existing parking brake handle.

Anyone out there that has the front kit can find out if the stock tt mkiv wheels can clear arz's bbk?

I will try to find out within the nex few days, but I cant see why it would be an issue. The stock Saw Blades only interfere by less than .25 inches on the inside diameter. I am pretty confident that 17 inch MKIV wheels will fit with no problem.

I realize the necessity to keep your existing wheels but trust me once you see how nice your new brakes look you will want the thinest spokes you can find, just so you can see your brakes behind the wheels.

Will the rotors be slotted like the front or plain as in the pics?

They will be plain. I will show more detailed photos later. The slots on the rear rotor are big enough to fit your fingers in. These brakes are so much bigger than stock, you will just laugh when you have both (the old and new) parts in hand.

atlpd3147

12-19-2006, 12:43 PM

Arz,
Yea I know what u mean about wanting to see the calipers through some thinner spoked wheels.. I just need to know I can swap the mkiv tt wheels over your bbk at will:) thanks for all your hard work towards the mkiii platform.

Suprawannabe

12-20-2006, 08:39 PM

Do you have any specs on rotor width? I actually have a pair of super light calipers but the disc width is .81.

arz

12-20-2006, 11:03 PM

Yea mine is 1.25 thick, sorry man. Also my kit uses the Forged Superlight, I think they have the same tab spacing. None of the eight ten parts will fit, because I based the whole design on the 1.25 rotor thickness.

The older non forged superlight calipers have considerably more flex (than the forged SL's) and can be witnessed by pad wear.

...I just need to know I can swap the mkiv tt wheels over your bbk at will:) thanks for all your hard work towards the mkiii platform.Yes there are no problems with the TT wheels fitting front and rear.

group a supra

12-23-2006, 01:40 PM

andy any chance of some pics of the side of the caliper and disc like rotor vanes on my friend

arz

12-27-2006, 01:57 AM

andy any chance of some pics of the side of the caliper and disc like rotor vanes on my friend

Im not sure exactly what you meant but heres a few photos that might answer a few questions people might have had.

http://img50.imageshack.us/img50/5641/02230006resizefx5.jpg (http://imageshack.us)

http://img208.imageshack.us/img208/6586/02230008resizell8.jpg (http://imageshack.us)

http://img412.imageshack.us/img412/9595/02230010resizehb7.jpg (http://imageshack.us)

http://img215.imageshack.us/img215/4779/02230015resizeky9.jpg (http://imageshack.us)

http://img213.imageshack.us/img213/4169/02230013resizewr7.jpg (http://imageshack.us)

JustAnotherVictim

12-27-2006, 11:22 AM

Those are beautiful.

group a supra

12-27-2006, 01:28 PM

thanks
andy that was just what i was looking for i will speak to you soon as per our last email happy new year if i dont speak to you before

buckshotglass

12-27-2006, 04:11 PM

i sent you a pm.

JMDigital

12-28-2006, 06:11 AM

Yea these are nice.. I think it needs to be added to my build list! front and rear.. great job.

arz

12-28-2006, 09:41 PM

^^^ Thanks ^^^

Buckshot, your rears went out today. Check your PM's for the tracking number. IM crossing my fingers you get em Saturday. Thanks for all the good press.

Group a, glad I got it right the first try. BTW the fronts arent much different when it comes to that measurement.

I really wish both of you guys were able to do a before and after test. The difference is shocking. After driving these daily I dont know how anyone can consider the stock brakes acceptable. I know you will both be very pleased with the performance. Make sure you dont leave any loose items in the cockpit.

buckshotglass

12-28-2006, 11:39 PM

Thanks Andy.
They are saying the fourth.
Happy New Year!

arz

12-29-2006, 11:36 AM

Bummer, it seems that anything I send east of the Mississippi always takes a day or 2 longer than you would think. Well it least its not keeping your car from rolling down the road. The build thread is looking great though.

rakkasan

12-30-2006, 05:36 PM

cost of the line lock & proportioning valve? How soon can you ship them?

arz

12-31-2006, 11:29 AM

The Line Lock I sell for $29.

The Proportioning Valve I sell for $39.

I should have a full shipment in from Wilwood the first week of the New Year.

Just wanted to make sure everybody understands that a Proportioning Valve is for a NON ABS car only. A Proportioning Valve will not work with ABS and vice versa.

ToyoHabu

12-31-2006, 12:52 PM

the kit looks good, just had a question. With your front and rear kit installed is the brake bias changed, also how much has pedal effort and travel been affected? I was looking into making a custom brake kit and my research led me to things like the area of the master cylinder vs total caliper piston area and fluid velocity, etc etc.

arz

12-31-2006, 05:58 PM

My last post got me thinking.

If you own a NON ABS car you SHOULD upgrade the rear brakes ASAP. The fact that the front brakes are so much more powerful than the rear brakes only amplifies the adequateness's of the rear brakes. A full set of (4) brakes and a proportioning valve are required to realize the full benefits of this system when you are dealing with a NON ABS vehicle.

On ABS equipped vehicles, the initial install of the front brakes (only) will make a shocking difference. If you can only afford to do the front brakes first you will realize a greater decrease in stopping distances (when compared with a non ABS vehicle that has installed a front only kit). The ABS equipped vehicle has a much greater advantage over the non abs vehicle when installing the front kit only.

The major difference will be being able to overcome the traction limitations of your tires with much less effort on a non ABS vehicle and YOU will be the one in control of locking up your tires, not the ABS.

On an ABS equipped vehicle, even though there is a large difference in braking power (between the front and rear systems) since the majority (70% or more) of the braking is being done by the front wheels, the ABS system has enough head room to make up for inadequacies of the stock rear brakes. On the ABS vehicle the abs computer will be the one making sure you don't lock up each tire.

The moral of the story, get good sticky tires ASAP, remember that is will be your new weakest link.

arz

12-31-2006, 08:04 PM

With your front and rear kit installed is the brake bias changed, also how much has pedal effort and travel been affected?

I had a lot of questions myself with these same concerns. I had lots of experience with Z cars and rock crawling vehicles over the years.

My calculations showed about 11% greater piston area on the front and about 50% + greater on the rear. The pedal effort is perfect it feels just slightly easier than the stock pedal effort. The travel is surprisingly slightly less with both brakes installed, probably due to the fact that the OEM calipers flexed considerably and our kit changes from flexible rubber lines to braided stainless steel. I experimented with several sizes of rear calipers and the ones I finally settled on work perfectly with the adjustable proportioning valve.

A stock braking system is designed to lock up the front tires slightly before the rear. This is inherently more stable than rear locking up first. You definately dont want the back end coming around on you.

On a racing brake setup you want the rears locking up just slightly before the fronts and then you tune the vehicle with the proportioning valve. Just keep backing the proportioning valve off until you dont experience the rear steping out on you. Make sure you do all your testing/adjusting on a straight section of track/road.

The large difference from stock piston area (in the rear) is a function of several factors.
1. You want the rears to lock up first (as explained above).
2. The stock floating calipers flex considerably.
3. The stock rears really didnt do as much work as they should have been.
4. I really didnt get the results I wanted until I got to the size I have setteled on.
5. With an ABS vehicle the ABS will correct the over powering of the rear brakes, on a non ABS vehicle the Proportioning Valve will tune out the rears locking up first.

In very poor GM ABS brakes they had very poor flow characteristics. While I was at GM I witnessed several deficencies attributed to this poor flow. The Toyota ABS appears to have none of these deficencies and performs flawlessly. As I have said before "You will be shocked at how good they work!!!"

tekdeus

01-02-2007, 01:01 AM

The previous owner of my car removed the stock ABS system, I'm assuming to reduce weight and provide total control over the brakes. Perhaps some people might want to know that removing the ABS is an option.

arz

01-02-2007, 01:14 AM

It is an option but my brake kit is engineered with the ABS in mind. You will be hard pressed to out brake this brake upgrade with the ABS enabled.

That said, your stock brakes will NEVER out brake this kit, ABS or not.

buckshotglass

01-03-2007, 03:38 PM

Andy.
I got my rears today. I didn't open the box yet, but they are here, thanks.
Dave

arz

01-03-2007, 05:10 PM

Excellent I am working feverishly on the install instructions for both the front and rear. I will post them in the tech/how-to section.

Check your PM's

MKNTRAXX

01-04-2007, 08:41 PM

please tell me the hat comes anodized or powdercoated or something.

I like the gains just don't care for losing the parking brake.

I suggest if your going to drive these things everyday that you rebuild them once a year.. its cheap its easy and you should do it because these things aren't really made for day to day use on the street.

arz

01-04-2007, 09:54 PM

I covered this in the front brake thread.

No they are not anodized and they are for sure not powder coated. You are welcome to Anodize them yourself. If you drive your car in the slush and snow and mud and rain then you are correct they are not for everyday driving.

The issue isnt whether they will work in the rain, mud, slush or snow. The issue is whether you should drive your car in the rain mud slush or snow. If you insist on subjecting $2500 dollars worth of front and rear brakes to rain, mud, slush or snow then maybe you should anodize the hats yourself. If that were the case then maybe you could afford to buy a winter beater and not drive the entire car in the rain, mud, slush or snow.

I would never have a problem driving home in a rain storm. Or if you were on a long road trip and you got caught in a storm you would be fine but if you were going to intentinally subject these brakes to a Chicago pot holed road, winter commute then I would not recommend these brakes for your car.

I would never powdercoat the aluminum brake parts for 2 reasons:

1: Powdercoating is an extremely inconsistant finish. The Rotors would almost surely not be true when fastened to powdercoated parts.

2: Powdercoating is a baked on finish, the oven bakes the parts at a temperature dangerously close to the annealing point. Many powdercoaters will over cook the parts just to rush the batch. An increase of just 50 deg F is exactly in the range of annealing the aluminum parts. Ask me how I know.

As I stated before the lack of options is a direct reflection of the price. If I finish every part that does not NEED to be finished then the kit price WILL go up.

MKNTRAXX

01-05-2007, 06:29 PM

powdercoating was wrong to put as an option just popped up..

anodize them atleast buyers.

arz

01-06-2007, 12:59 AM

Trust me if you own these brakes you will pop the wheels off once or twice a year and aluminum polish and wax them. The machining is so smooth they polish very very easy. I do not show them polished because someone will be upset their set dosent look exactly as the advertisement does.

Poodles

01-06-2007, 03:54 AM

Keep me updated on when you get an e-brake setup that works like stock, as I do park on hills on occasion and I'll need it to pass an inspection...

Also, keep in mind, if you DO use a proportioning valve, you gotta tune it at emergency braking type speeds... Having the ass come out from behind you when you need the brakes would be aweful, and it's not like on a motorcycle where you have independant control. Saw a magazine test that showed this glaring issue in most aftermarket brake setups.

My car is daily driven (when it's running), and I wouldn't think twice about taking it out in ice or rain with your brake setup as everytime I wash my car (weekly when it's driven and even in the winter) I pop the wheels off and clean that area anyways...

Definately on my list of upgrades (engine first, then suspension and brakes, then more power)

JMDigital

01-07-2007, 07:52 AM

So you are saying if these go on a daily driver then we should get them anodized. What do you think this would cost? I would not mind paying you extra to do it as you would know best.

HamsMKIII

01-07-2007, 12:34 PM

I'd like to point out something for those who are concerned about anodizing the hats. This is purely an esthetic issue here, it has nothing to do with the brake kit's performance. Parts get dirty and corroded, it's part of the life of the car. This is no different than someone who DD's their car and has numerous polished parts under the hood. They are going to get dirty and grimey. Does it affect performance? Certainly not. Does it affect esthetics? I suppose.

My advice would be to take pride in what you own. Clean it, take care of it. There's really no need to anodize the hats.

- Hams

arz

01-09-2007, 06:32 AM

^^^Well said^^^

arz

01-13-2007, 12:01 AM

Product is in stock, UPS showed up at 5pm with tons and tons of stuff.

Fronts and rears in stock!!!

Turbo Skegget

01-19-2007, 07:36 PM

Fix the stock parking brake so I can order... ;)

emission

01-20-2007, 09:18 AM

I'm waiting on an ebarke kit also. :aigo:

group a supra

01-22-2007, 04:46 PM

i will drop you an email end of next week andy ;)

arz

01-23-2007, 11:23 PM

Excellent I will be waiting, check your PM's

group a supra

01-30-2007, 03:17 PM

pm sent :)

group a supra

02-03-2007, 01:24 PM

arz check your pm's and paypal ;) :biglaugh:

buckshotglass

02-03-2007, 01:53 PM

Andy,
How close are you on a kit for the ebrake? I am going to put my rears on soon, and would love to only bleed everything once, and be done, if possible. Let me know.
Thanks,
Dave

arz

02-04-2007, 10:47 PM

Sorry guys im a little ways off on the parking brake setup, I was invited to Co-drive in the Parker 425 in a class 8 truck. Man that was a blast, thank god for Parker pumps, they didnt get all the rain we (in Phoenix) got.

So I was gone for the last 3 days. Gotta get all the racing in I can, Dirt, Mud, Rocks, Sand and Pavment, I will race anything anywhere. I got a Motorcycle Race in Laughlin next month.

OK OK Funs over for a little while I will see what I can get done in the next month and keep you all posted on it.

buckshotglass

02-05-2007, 12:13 PM

Ok, Andy, take your time. I think I have a new plan anyway...
The kits look great, keep an eye on my thread, they might even roll someday.:)

arz

02-06-2007, 11:17 PM

I check your build thread out almost every other day. Looks great, and I have every confidence you will drive that thing this spring/early summer.

dylan

02-10-2007, 09:42 AM

E-Brake Date

arz

03-14-2007, 12:10 AM

Sorry, no date yet those damn Oil Pump Supply kits have been taking up all of my time.

group a supra

03-16-2007, 04:17 PM

did i say i rerceived my kit and its err great
thanks
andy:biglaugh:

zombie

04-04-2007, 10:01 AM

Hi, I was just wondering if you had thought of doing the kit with the big brake rear rotors from the JZA80 so as to retain use of the stock parking brake?

arz

04-04-2007, 06:18 PM

did i say i rerceived my kit and its err great
thanks
andy
Your welcome, Im glad you liked them.

Hi, I was just wondering if you had thought of doing the kit with the big brake rear rotors from the JZA80 so as to retain use of the stock parking brake?

Not really but if you have to retain that style parking brake you are looking at a rear kit that will cost as much as or even more than the front kit. If I did it I would use completely custom rotors and hats so they matched my front kits.

buckshotglass

04-07-2007, 05:19 PM

Sorry, no date yet those damn Oil Pump Supply kits have been taking up all of my time.

Is there a thread for this?
Thanks Andy.

buckshotglass

04-08-2007, 09:02 AM

Excellent I am working feverishly on the install instructions for both the front and rear. I will post them in the tech/how-to section.

I would like to read the rear install thing right now. Is it posted somewhere?
Thanks again.

arz

04-08-2007, 11:41 AM

No, Sorry I havent finished it. The only particular difference is that might not be 100% self evident, is that you have to drill out these holes to 7/16" some might be surprised at this but the hole is so close to that diameter already that I was able to do it with an old rechargable drill on dead batteries.

http://www.arizonaperformance.com/parts_photos/Brakes Rear_MK3_12 inch/02180003_resize.JPG

HamsMKIII

04-08-2007, 10:25 PM

You know, I'm not really opposed to the idea of no parking brake. That part doesn't bother me. The only concern I have would be whether or not my car would pass state inspection in Texas. Andy, I know this question is one that you can't answer, so I'm hoping another Texas resident might chime in on this. If it isn't an issue on inspection, I'd love to pick up this kit.

Andy, would it be possible to get the matching slotted rotor discs like the front kit?

- Chris

arz

04-08-2007, 11:43 PM

I could have them slotted but that would risk them becoming out of balance. I would have to check into the price but they really dont suffer any real adverse affects from not being slotted even during road racing.

If your serious, let me know and I will look into what it will cost to have it done.

Adjuster

04-13-2007, 12:49 AM

Willwood sells a mechanical parking brake.

My rear brakes were more than the fronts, and I think there are only a few kits out there that retained the stock rear parking brake.

For the money, ARZ's stuff is the best deal going. :)

Poodles

04-13-2007, 03:43 AM

yep, you need a working e-brake in texas. My bro's car failed, and he was auto and never used his e-brake... it's part of the safety inspection, so it doesn't matter where you live...

I'd use the crappy wilwood one if I had to, I would just need some way to bolt it on...

rakkasan

05-14-2007, 08:08 PM

Andy, is this an option worth looking into?

http://www.wilwood.com/Products/001-Calipers/033-cpb/index.asp

arz

05-15-2007, 01:07 PM

Yea if you want to pay a ton more for an inferior product. :icon_bigg

That's a single piston floating caliper and the outside is only a cover made to look like their 4 piston calipers. In my experience they would have a closer (better) photo if it was worth showing. Not to mention the radial mount calipers are excellent in theory but cost more than twice as much to manufacture adapters for and almost twice as much to manufacture the calipers themselves. At least thats how the pricing structure works for radial vs. conventional mount calipers.

I appreciate your wanting a factory functioning parking brake.

Let me first say that I do plan on producing a factory functioning parking brake. The problem is, its not near as easy as it looks and might cost more (quite possibly a couple hundred more) than the front kit. I am not sure if I miss judged the market or if there are just a bunch of talkers.

As I have said before, I made the front kit and lots of people said "I will buy the front when you make a rear kit" I made a rear and "lots of people said I will buy your rear kit if it has a parking brake". Once I make I parking brake I cant imagine what people will ask for next.

It seems all the other motorsports I am involved in, people care MUCH more about racing their cars and the functionality of their brakes in a racing environment. I made the brakes to STOP the car not because they look good, it just so happens they look great. I am greatful that I only had a few "silly?" questions, which encourages me that these brakes will be USED for the purpose they were intended.

Maybe I will do what I have always hated, create a "Group Buy" for those that have to have a rear brake with a Parking brake. I guess this will force people to back their talk up with dollars.

If your serious please PM me. Im not in a position to start on this project at the moment but the more interest there is in this item, the sooner I will consider getting on this task. Please dont PM me if your not ready to buy rear brakes within the next few months. Remember I already have a considerable investment in the current rear brake kit, so getting me to throw good money on top of bad will only happen with a serious comitment from you (the consumers).

Turbo Skegget

05-16-2007, 07:07 AM

I'm not just a talker. I want both front and rears with a working parkingbrake. I have money. Lets make a list with people interested in the parking brake.

1. Turbo Skegget
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Stu_22

05-17-2007, 06:02 PM

Im not going to put my name down as I still havent fitted my fronts but I will buy the rear kit in the winter if it had a stock like handbrake feature

I cant afford to trailor my supra everywhere so it has to be road legal

dcrusupra

05-17-2007, 06:19 PM

I am a man of my word. I'd be in 100% if there were a parking brake on the rears. I don't think it would be right away as it's a lot of money to be throwing at the car at once. But I will start putting money to the side for the fronts now.

1. Turbo Skegget
2. dcrusupra
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rakkasan

05-17-2007, 07:36 PM

I have to have a parking brake because I have my car inspected each & every long weekend (at least once a month) due to being in the Army. I will send you the money in advance, tonight if required. I'm in!
1. Turbo Skegget
2. dcrusupra
3. Rakkasan
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rakkasan

05-17-2007, 07:47 PM

Hey Andy, can a line lock device be used a parking brake?

IJ.

05-17-2007, 07:59 PM

Mark: Not sure on the legalities there but here it can't be hydraulic it needs to be an independant mechanical system.

arz

05-17-2007, 08:32 PM

Yes I use mine for a parking brake and have for years. BUT I want you to be completely aware that my line lock can and WILL leak down after a period of time. I cant seem to nail down the exact common denominator, some times it takes 4 weeks plus (only when I forget I have left it on in my own garage) sometimes it leaks down in a half an hour. It seems to be related to how much initial pressure I induce on the system and how hot the system and the ambient temperature is.

The way mine works is, I depress the brake pedal about 50-80% pedal pressure (what ever that means) I would say 100% would equal lock up or ABS actuation at about 30-50 MPH. The I press a button on the line lock. It traps the pressure in the rear brake lines and it should stay there until the pressure on the other side of the valve (line lock) is exceeded. Some times it doesn't, like I said I really cant say why. For this reason I would never recommend you park on a hill or trailer for any unreasonable length of time. Putting your car on a trailer to take to the track? PERFECT!!! keeping you car from rolling away while your going to put tire chocks under it to work on it? FINE (but I would still shut off the car and put it in gear)!!! Going to run into the grocery store? UHHH, I would still make SURE it was in gear!!!! Need to keep your car from rolling away while your Turbo Timer is coasting down?!?!? I DONT think I would trust the line lock every time and NEVER on a hill. Going to store your car for the winter? NEVER in a million years!!! Going to let your buddy (girlfriend, wife, dad, mom, brother, sister) take your car to pick up some chips at the store? NO F#<KING WAY!!! They will be sure to let your car roll into the street, or smash your carbon lip into the curb OR drive home without disengaging the the line lock and smoking your clutch and rear brakes all at the same time. Are you getting the idea about exactly how these line locks should be used?

Line locks are for race cars or that solution when there is no other. These are excellent devices, but everything has its limits, and I just want all of you to understand exactly what they are.

The car should stay in place, after the line is locked, I leave my car in gear (EVERY TIME) just to make sure, IF the pressure leaks down my car wont roll away. The pressure has and will leak down, so be prepared, by leaving your car in gear.

The Line locks I sell are spring loaded with NO electronic solenoid and designed to be installed where you can reach them from a driving position (ie: where your old parking brake handle was). To release the Line lock I get in the car, put my hand on the line lock button, press the brakes and then I can feel when the button has 100% returned to the disengaged position. At this point when I let go of the brakes the line pressure is completely disengaged, and the brakes work 100% as if they were not equipped with any other options.

I appreciate you guys willing to prepay, but I must remind you guys that they could be as high as $1400 dollars or more. Im not here to screw anyone, but please let me know if your still interested in an investment that steep.

Turbo Skegget

05-18-2007, 08:05 AM

Im in.

Stu_22

05-18-2007, 10:16 AM

What about this calliper

http://www.rallydesign.co.uk/catalog/product_info.php?cPath=562_588&products_id=11370

Not listed on the US site but found it in our UK rallying supplier

arz

05-18-2007, 02:07 PM

Im not sure if that photo matches the actual caliper they describe. That is a cool caliper but notice that its only designed for a max rotor width of about .810 inches the rear rotor I have now is 1.25 thick. Almost a half an inch thicker. Also those calipers have a 1.00 inch bore. Those calipers would lock up so much sooner I couldnt possibly find a proportioning valve that would compensate for the difference.

It is a very cool piece, and I will ask my rep about it. Hopefully they will come out with one that has the proper diameters and that will fit my caliper bracket. But Im not holding my breath for anything. The chances of that are so far out there that I wouldnt even wait.

I have already worked out most of the bugs on a factiory functioning parking brake and am 100% confident I can execute the design in a reasonable time. Im just waiting for a few more to comit to it 100%

Thanks for keeping me abrest of new products, I really appreciate it.

rakkasan

05-18-2007, 09:10 PM

I appreciate you guys willing to prepay, but I must remind you guys that they could be as high as $1400 dollars or more. Im not here to screw anyone, but please let me know if your still interested in an investment that steep.

I'm still in....

buckshotglass

05-18-2007, 09:14 PM

I have already worked out most of the bugs on a factiory functioning parking brake and am 100% confident I can execute the design in a reasonable time. Im just waiting for a few more to comit to it 100%

What parts would I need to change? Count me in if we can work something out.
Thanks Andy.

arz

05-21-2007, 12:21 AM

If you have already purchased both kits from me I will do everything I can to make your investment as minimal as possible to make this new setup work with your parts.

buckshotglass

05-21-2007, 07:29 AM

Yur the man. So you can just put my cam covers in the same box, and we are all set.
I'm ready.:)

Doward

07-13-2007, 09:56 PM

I'll def be looking to get a rear brake set - but that will be after I get the 4 piston front brake set, hopefully in September!

dansmith11

08-10-2007, 12:00 PM

im in for a rear e-brake. 100% sign me up :)

garagefujimoto

08-10-2007, 03:58 PM

me too, i'd consider making an ARZ investment for the second time but I cannot afford to lose the parking brake on a drift-style car

arz

09-19-2007, 12:35 AM

Ok everybody I got it all figured out!!! You know all of the options I discussed earlier. I didn't want that just sitting there so I had it edited out. One more than I actually asked for accidentally got deleted but thats fine. Please don't take any offense anybody, it was nothing you guys said I just wanted to clear the slate.

I had an epiphany this morning and made some calls to find out the price of materials. As luck would have it they aren't as much as I thought and don't require as much machining as I had initially expected. I wanted you all to know that I have decided on a route that I will tackle with enthusiasm.

This is the best possible of all designs, no compromises. Let me say you will be very happy with the final product. It doesn't affect the price as drastically as I thought it would. But it is the very best and I am seriously excited to work on it.

Here are the details.

1. 4 Piston Wilwood Forged caliper
2. Wilwood rotor that matches the front with slots and all.
3. An Aluminum rear rotor hat that matches the front kit perfectly.
4. And last but not least, A FACTORY FUNCTIONING PARKING BRAKE. This kit will utilize all of the factory parking brake mechanicals and definitely pass any inspection that requires the parking brake to work as it came from the factory.

Also for just a couple bucks more you can get a fully machined billet rear Wilwood caliper that will be a perfect match for the 6 piston front kit.

I don't want to make a habit of this but I have so much money invested in other projects I cant dive into it without a commitment from you guys. I can sit on this idea until I get back from Vegas or I can get on it right away. What I am proposing is a $600 dollar deposit (refundable during the two weeks following the announcement of the firm fixed price). I anticipate this taking approximately 6 weeks to get this to the point where Im ready to ship these. This all revolves around my machinist getting on this as soon as possible, so please realize this may add a week or two. Conversely I plan on working on these aggressively right up until I leave for Vegas, so they might be done sooner than that, I really cant say.

I still don't have any estimates on prices yet, but if you definitely still want in please add your name to the list. I can tell you this it shouldn't be more than $1400, Im shooting for $1200 or less but I need to cover myself. Remember these are way more complicated than the fronts, and I have some very unique ideas that Im positive will work.

If you decide you want out I will be glad to refund your money within 2 weeks of the announcement of a firm fixed price. But after you see the photos of them Im sure you will want them.

Below was the latest list so far, please add your name if you are interested, I will see if I can get an estimate on the price as soon as possible. Feel free to take your name off the list if you have changed your mind and are not ready to commit to a $600 deposit.

1. Turbo Skegget
2. dcrusupra
3. Rakkasan
4.
5.
6.
7.
8.
9.
10.

buckshotglass

09-19-2007, 12:41 AM

Nice work Andy.

arz

09-19-2007, 09:47 AM

Im very happy with this new design, as Im sure all of you will be. It will match the front kit perfectly and work awesome, for parking, racing and daily driving!!!

dcrusupra

09-19-2007, 11:18 AM

Great news, I'm still in, just give me a little bit to get the money together.

arz

09-19-2007, 11:25 AM

Great news, I'm still in, just give me a little bit to get the money together.No sweat I realize this is short notice!!!

dansmith11

09-21-2007, 11:59 AM

so is this a whole new design? or is it possible to modify the old rear kit to make the parking brake work?

or can i just buy a new rotor hat/mounting stuff from you and use my existing rotor/caliper/pads?

arz

09-21-2007, 12:02 PM

That might be an option but I wont know until later. If your interested, please PM me.

rakkasan

09-21-2007, 06:09 PM

Great news, I'm still in, just give me a little bit to get the money together.

DITTO!!!!!!

dansmith11

09-21-2007, 06:45 PM

That might be an option but I wont know until later. If your interested, please PM me.

hey man, ya im definately interested in gettin a working e-brake if its possible modify what ive got and i dont need to buy a whole new kit :)

let me know when/if you figure it out

MK3_300

09-22-2007, 12:04 PM

Im very happy with this new design, as Im sure all of you will be. It will match the front kit perfectly and work awesome, for parking, racing and daily driving!!!

Thank You! I have read your post on the design and I am very happy wth the way you are going to make these!

I am setting money aside right now! :biglaugh:

Turbo Skegget

09-28-2007, 07:08 AM

Fixed a PayPal account so... deposit paid:icon_bigg

arz

09-28-2007, 12:47 PM

Fixed a PayPal account so... deposit paid
Got it!!! Thanks Mats.

I might as well start a list for Rear Wilwood brakes with Parking brakes guys.

1. Turbo Skegget...........$600 Deposit paid
2.
3.
4.
5.
6.

Feel free to add your names here if you want to be first on the list for rear Wilwoods with Parking brake.

Turbo Skegget

10-12-2007, 05:24 PM

Come on now guys, pay the deposit so we can get this rolling.

Arz what is the plan? Do you need 6 people to pay the deposit or are you already in the making process?

Regards
Mats

arz

10-13-2007, 12:22 PM

I am already making the rears, but am still trying to catch up on back orders from Before SILV. Yes the more people the faster this will get finished, I am anxious to see a few more people get in on this. I think you guys will be very impressed with the functionality.

SPD TRP

10-23-2007, 10:26 PM

Pm'd you

Wayne

Turbo Skegget

11-16-2007, 12:11 PM

Has anybody else paid a deposit???
If not...pay it, so we can have some big rear brakes with a functioning parking brake ready for summer 2008:)

arz

11-19-2007, 08:46 PM

Please do post here http://www.supramania.com/forums/showthread.php?t=49012 It will bump it up.

Post a photo of it spread out on the living room floor like everybody else. I love those photos, its like its Christmas day. LOL!!!

Im glad you are pleased make sure to read the install instructions that will save a lot of headaches. We don't want any headaches when you are this far away.

http://www.supramania.com/forums/showthread.php?t=35175

arz

02-10-2008, 12:57 AM

Lets see if we can resurrect this thread!!!

Turbo Skegget

02-10-2008, 06:47 AM

Yeah!! Winter is over soon, so its time to get some brakes for the Supra;)

pimptrizkit

02-10-2008, 06:53 AM

right now i wish i would have started a career a year or two ago! damit :3d_frown:

The1

02-10-2008, 07:25 PM

*bout to start selling dope* lol
But seriously, I may be saving up for the front and rear kits.

Poodles

02-11-2008, 12:00 AM

if my wheels where large enough to clear them I'd have em by now...

can't decide on wheels....at least reasonable wheels that will fit my budget

arz

02-11-2008, 11:00 AM

Yeah!! Winter is over soon, so its time to get some brakes for the Supra;)I hear ya. Wait, isnt it the beginning of February? You guys are done with snow?

Seriously, I have all the bugs worked out and am just waiting for a few other items to get off of my plate. Cam Covers namely, also look for the 6 piston 14 inch front kits, very soon. They are awesome.

Dont worry I wont have you waiting long at all, you should have them solidly before spring time. Thanks again for your commitment.

Turbo Skegget

02-12-2008, 04:52 AM

Sounds great Arz! I don´t know if I can call it winter this year, havn´t had snow since october:(

zombie

02-21-2008, 08:40 AM

just bumping this up, as I'll be getting a set soon :)

arz

02-29-2008, 01:18 AM

I will be working on this all weekend, I will post progress, if there is anything to post.

Pugz

03-11-2008, 02:37 AM

bump

zombie

03-18-2008, 11:12 AM

and another bump :)

arz

03-19-2008, 01:08 AM

You guys dont need to bump this its in my own vendor section, but thanks for the sentiment.

ParaDoX667-aus

03-19-2008, 06:12 AM

There's a few of us from Aussie land obviously very keen to see the integrated handbrake setup finished ;)

DeSloth

03-19-2008, 08:41 AM

zombie

03-19-2008, 11:09 AM

Yes I will vouch for the above also.

Word on the street says a few Aussies already own an Arz brake kit, but many are eager to see (or at least hear) what is in the works for a park brake.

Our police / transport authority are super-anal. Driving a car on the street without a park brake would be suicide.

well put your money where your mouth is, as I have already done. All too often are the calls of "I'm in" and then when it comes time to pay 90% of the people just vanish, so instead show that you are truly interested and put some cash up.

DeSloth

03-19-2008, 04:37 PM

I don't see why that was necessary. You're fully aware of the number of Aussies who are interested, and I was just passing on the info.

I'm not currently in a position to replace fully functional brakes with full service life left in them (replaced all pads etc).

However, I WILL be replacing my brakes in the future. I need to make an informed decision on what to do about the REAR brakes. I know what I am buying for the front. ;)

Did you get front + rear? Please post up on the Aussie forums when you can a chance to install + test them out.

I'm not subscribed to these threads because I think BB kits look pretty. :)

zombie

03-19-2008, 10:47 PM

I don't see why that was necessary. You're fully aware of the number of Aussies who are interested, and I was just passing on the info.
I'm fully aware of how many people who SAY they are interested, but then never come forward with money, so passing on info about them tends to be pointless.

Did you get front + rear? Please post up on the Aussie forums when you can a chance to install + test them out.
Yes, I have purchased front+rear, fronts are sitting in customs currently (last time I checked tracking), rears are still being built/developed ;)

as for fit + test, that'll be a while off. Rear subframe is still out of the car, need new wheels to fit over these and I'm very soon to be without licence to drive :p

I'm not subscribed to these threads because I think BB kits look pretty. :)
lies :p

(I'm sure it's at least part of the reason :p :naughty::biglaugh:)

Pugz

03-22-2008, 08:00 AM

Not only do I wanna see it finished, but I also want it on my car!

I guess I will have to put some cash up in the next week or two

arz

03-24-2008, 01:52 AM

I hate to jinx myself so I always wait until I have something to show.

I finally got all the parts back form the machinist and got to install the first set of rear Wilwood with factory functioning parking brake, here are the photos.

The rotor hat is my design with a replaceable steel drum ring and a Wilwood rotor. Those 6 socket head cap screws you see at the perimeter hold the steel parking brake drum on. The parts all worked perfect, and they look awesome I just need to find out how much they are going to cost. All of you that went out on a limb and purchased before they saw them I will honor the price we discussed, but I cant say for sure how much these are going to sell for, I will hopefully have that figured out within a week or two. The target is $1595 but we will have to see.

Everything works awesome and looks even better, I am very happy with how it all came out. All you need to do is trim the dust cover off of the backing plate and clearance the factory caliper ears and voila you have an awesome factory functioning rear brake kit. I didn't realize how much I missed having a parking brake, I really am happy with every portion of it.

Remember all of the parts you are looking at are prototype but very close to production form.

Thats a 6 piston front 13 inch kit and a 4 piston 12.9 rear kit on 17 inch wheels. I don't have coilovers yet so don't give me crap about the ride height.
http://www.arizonaperformance.com/parts_photos/Brakes_Rear_12.9_inch/CIMG3832_resize.JPG

http://www.arizonaperformance.com/parts_photos/Brakes_Rear_12.9_inch/CIMG3820_resize.JPG

http://www.arizonaperformance.com/parts_photos/Brakes_Rear_12.9_inch/CIMG3818_resize.JPG

http://www.arizonaperformance.com/parts_photos/Brakes_Rear_12.9_inch/CIMG3816_resize.JPG

http://www.arizonaperformance.com/parts_photos/Brakes_Rear_12.9_inch/CIMG3801_resize.JPG

http://www.arizonaperformance.com/parts_photos/Brakes_Rear_12.9_inch/CIMG3798_resize.JPG

http://www.arizonaperformance.com/parts_photos/Brakes_Rear_12.9_inch/CIMG3780_resize.JPG

DeSloth

03-24-2008, 01:59 AM

Those look fantastic, and are obviously well built and functional. :)

Next time I am due for a brake pad change, I won't just be changing the pads :D

Pugz

03-24-2008, 02:28 AM

Man that looks great! Can't wait till I got the cash to get a complete set of front and rear!

blake

03-24-2008, 05:23 AM

Wonderful to see such a sorely needed project come to fruition.

zombie

03-24-2008, 06:20 AM

all I can say is :bigthumb::biggrinki

Turbo Skegget

03-24-2008, 10:05 AM

Looks great Andy! (PM sent)

Doward

03-24-2008, 10:27 AM

Amazing work, as always!

mk3forme

03-24-2008, 10:45 AM

looking awesome. I cant believe the cooling capacity in between the disc surfaces. Its HUGE!

zombie

03-30-2008, 02:16 AM

Just wondering how far off you are from full production on these? :)

arz

03-30-2008, 02:30 PM

My machinist has the full green light and I have an order in to Wilwood to cover several rear kits, none of the stuff is in and I would assume at least 2 weeks before I have the parts and a few days to get all the other parts sorted but it is rolling full speed, its just all out of my hands at the moment.

I will be sure to post a new thread as soon as the new items are all in my hands.

zombie

03-31-2008, 11:22 AM

zombie

04-10-2008, 10:05 AM

I know you said you'd post up when you had more info, but I is currently bored, so I figured I'd give the thread a bump :p

zombie

04-23-2008, 01:28 PM

:stickpoke

bored again and haven't seen or heard any more on these so figured I'd bump it up :)

arz

04-24-2008, 08:39 AM

Sorry still waiting on small parts. Plus a lot of stuff going on in my job situation. If you didnt know I am away on business travel and have been since mid March.

My Wife has been wonderful picking up the slack, please bear with me. I have had many 14-16 hour days. It is rolling though.

zombie

04-24-2008, 12:07 PM

Turbo Skegget

04-27-2008, 07:00 PM

88YotaTurbo

05-01-2008, 11:09 PM

I have been watching the progress on your work for some time now. These Look F'ing FANTASTIC. I really can not wait to see them 100% finished and ready for sale. Hopefully by then I'll have the funds for Both Rear and Front BBK. Keep up the genius.

arz

05-05-2008, 03:15 AM

Hi Andy!
Just re-read the whole thread and I have a question. The original kit without parking brake uses a 12 inch disc and I saw now that the new with parking brake uses a 12.9 inch disc. Is the 12.9 inch disc the final design? YES this is the final design

My only concerns are that I might want to put 16" wheels on when dragracingI was home this weekend and was able to test fit the stock 16 inch wheel and your in luck they fit perfect. VERY VERY close but they fit fine. I will post photos later.

I kind of like it when the front discs are visably bigger than the rears. If this is final it will still work for me.Yea that opinion runs about 50/50 (some people like to see just as big rears and some people like it your way, you can always buy the 14 inch front kit. :naughty:

I have been watching the progress on your work for some time now. These Look F'ing FANTASTIC. I really can not wait to see them 100% finished and ready for sale. Hopefully by then I'll have the funds for Both Rear and Front BBK. Keep up the genius.Thanks

Turbo Skegget

05-06-2008, 05:06 AM

Hahaha, I had a feeling you would try to sell some 14" fronts to me. It will work for me with 13" fronts and 12.9" rears.

Most important is that it will fit under 16" wheels, so I can make pretty good times on the dragstrip without changing the brakes;)

zombie

05-12-2008, 12:28 PM

is there any time frame yet for when these will actually be ready and shipping?

arz

05-14-2008, 12:39 AM

My machinist called me yesterday and had started on the last parts I need, caliper brackets, as soon as he is done I will send them to plating then they will be ready to send out.

I am still waiting for prices on fasteners and plating, so I dont have a final price yet.

Turbo Skegget

05-14-2008, 09:39 AM

Did you have any pics of the other calipers that would visably match the 6-piston front calipers better?

arz

05-15-2008, 01:12 AM

I am out of town I will be home next weekend, please PM me to remind me, I will get a photo them. Im very sorry for the delay.

arz

05-25-2008, 05:36 PM

OK for all of you that are subscribed to this thread in anticipation of the release of the NEW Wilwood 12.9" rear with parking brake look no further than this link right here.

http://www.supramania.com/forums/showthread.php?t=72806

IJ.

05-25-2008, 05:44 PM

Steel inserts in the hats?

arz

05-25-2008, 06:51 PM

Nope, there are twelve, 1/4-20's in the rotor, and the 6 that go into the drum ring thread into steel.

All of the other kits have eight 5/16-18's holding the rotor to the aluminum hat. That design has been in use with no issue for over 24 years.

IJ.

05-25-2008, 07:02 PM

arz

05-25-2008, 07:19 PM

I meant steel friction inserts for the shoes to contact?
(sort of hard to make out from the pics)

If so where were you 6 years ago huh ;)
(would have saved me a LOT of time and aggrevation making a bbk here)My supplier has been using this design that whole time. Sorry I didnt get on it sooner.

Yea the calipers have stainless steel pad wear strips on each end of the pad. Is that what your are asking? Its the same caliper body as in these photos, with a different bore.

http://www.arizonaperformance.com/MKIII4POT.html

IJ.

05-25-2008, 07:22 PM

Nah I'm talking about the inside of the park brake ;)

I saved the pic and lightened it up so I could see how it's done :)

Very nice!

I ended up using DBA Mk4tt rotors so I could keep the park brake way back when I did mine :( (the fronts preclude using the ABS hubs which sucks)

arz

05-25-2008, 11:09 PM

Insert!?!?!? OH I get what you are asking now, yes its a steel ring fastened by those 6 socket head cap screws on the outside of the rotor hat. Look closely at these photos, if you look close enough you can see where 3 of the threaded holes that retain that ring break out into the inside brake drum surface.

http://www.arizonaperformance.com/parts_photos/Brakes_Rear_12.9_inch/CIMG3780_resize.JPG

http://www.arizonaperformance.com/parts_photos/Brakes_Rear_12.9_inch/CIMG4896_resize.JPG

Why did you have to ditch the ABS? My rotor hats don't interfere with them in the least. I remember looking thru your photos but don't exactly remember where to find them again.

And Im not sure what "DBA" means.

IJ.

05-25-2008, 11:14 PM

The inner diameter of the Mk4tt rotors is 5mm smaller than the Mk3 hubs :(

My car didn't have ABS so it wasn't a real drama till I went traction control and needed to fit front sensors.

DBA = Disc Brakes Australia, local OEM/aftermarket supplier here in Australia.

arz

05-26-2008, 12:08 AM

I didnt know the TT rear rotors had a smaller ID than the MK3 rear drum. I am using an SC rear to mock up the rear for MK4, at least I thought I was. I will look into the rear MK4 drum diameter, to make sure. Everybody says stuff "Just bolts on but nobody ever mentions the little stuff like this. Good thing is the drum ring I use is a little smaller than the MK3 ones. Cross my fingers its the proper inside diameter.

IJ.

05-26-2008, 12:16 AM

No no no ;)

The Fronts are smaller

The rears are identical otehr than the centre hole and disc diameter.

Wayyy back when I built mine I DIDN'T want to lose the park brake (after market was all 2 piece no park brake drum) so I decided to use Mk4 rears and figured while I was at it I'd use Mk4 fronts to match.

arz

05-26-2008, 12:36 AM

No no no ;)

The Fronts are smallerI follow now. The front hat ID is too small to use a MK3 ABS hub ring. Is that correct?

The rears are identical otehr than the centre hole and disc diameter.If you look closely I have that covered. The MKIII is 60 mm inside diameter, the MKIV is 62 mm ID but further outboard on the hub center it necks down to the same 60 mm ID. I solved that by using an extra big chamfer to get out to that same 60 mm ID that way I can use the same rotor hat for each vehicle. Part commonality is my specialty in the aircraft industry.

Wayyy back when I built mine I DIDN'T want to lose the park brake (after market was all 2 piece no park brake drum) so I decided to use Mk4 rears and figured while I was at it I'd use Mk4 fronts to match.I remember seeing some AP calipers in some photos. What are you running for brakes now? Is it still AP fronts and TT rears?