Project 88 MKIII - A Calgary build

Grandavi

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Tomorrow a.m. Is dyno ad start of tune. Will need a second tune in July, but the base map will be built (doesn't exist for fcon on the 7m.

So if you feel the ground shake... It might just be the Supra... Lol
 

Grandavi

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Because there is no 7MGTE base map for the Vpro, it has to built from scratch. I doubt I will get a proper dyno until Friday afternoon. Im excited though because it means I will have my car next week.. gotta clean the garage! :)
 

Grandavi

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Will have dyno sheets. Hopefully next week. I paid for expedited shipping but that doesn't normally work for US to Canada...

If it does, turbo will be here by Thurs.
 

AbsoluteSpeed

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Try and get some videos.

And are you coming to Edmonton this weekend? If so are you able to bring that tail light?
 

Grandavi

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No videos yet. Just an update.

I have the car, and have taken it out a couple times so far. Shifting the new R154 was incredibly difficult, but is smoothing out right now. Using Nashman V2.0 shifter, had it too short, pulled the rod up a bit so I had some leverage to shift properly. My only complaint is something is popping 5th out when Im cruising (rev matched). It just slides out of gear. There seems to be something almost like "spring" pressure pushing it forward... have to look at that later.

I do have to say, the car is a lot more powerful than before. I don't really even need to boost it in town for the most part as the power is just there. The NA side of the engine is really well tuned so its got a whole lot of spunk!

Currently only setup for 10 psi max and I have wound it out twice (once with my wife saying "wtf are you doing, Im holding a hot coffee?!" whoops) and it isn't like the CT26. No kick in the pants wheel ripping power.. just a nice very strong power pull. I hit 130 kph far too soon and am not ready for anything stupid, so I have no idea what the car really does yet. It is definitely more powerful than it was and handles speed better than it used to. Cruising at 110 kph (almost 70 mph) is almost like idling (not RPM.. just car feel).

Reintegrating the wastegate dump tube prior to final tune. Sounds like a tractor when it opens up... not cute at all.... plus I have only heard my BOV twice... nice Whhhhissshhhhh sound. Not sure if I should be able to turn the BOV by hand on the pipe... but I can...

Final tune May 29th. Dyno sheet to follow. So far I think the time/$$ was well spent. This is the only 7M Supra on a HKS Fcon Vpro 3.3. From what I feel driving and the numbers I have seen so far... this is the one upgrade for a 7M that is very much worth it. Amazing how smooth this engine is now.
 

FernandoDLT

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Just read through your whole build. I love the progress you've made so far! I hope everything turns out fine with the trans as I have one coming in soon too. Good luck on the tune!
 

Grandavi

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Car is FINALLY in for final tune...strapped to the dyno for a Monday tune so should have a dyno sheet soon.

On a DIFFERENT note... Jack Transmission rebuilt my transmission and it's worse than prior to sending it. Plus it falls out of fifth gear.

That's not the kicker... This is...

After talking to jack about it, his response?
"Sounds like something we did isn't quite right. Have your shop remove it and ship it to is at OUR expense and bill us for removal and reinstall. We will get it right."

Now... What company have you dealt with on the past 10 years with that attitude? No blaming me... No questioning my mechanic... No argument about dollar figures.

Just had to share that.
 

Silver MK3

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Car is FINALLY in for final tune...strapped to the dyno for a Monday tune so should have a dyno sheet soon.

On a DIFFERENT note... Jack Transmission rebuilt my transmission and it's worse than prior to sending it. Plus it falls out of fifth gear.

That's not the kicker... This is...

After talking to jack about it, his response?
"Sounds like something we did isn't quite right. Have your shop remove it and ship it to is at OUR expense and bill us for removal and reinstall. We will get it right."

Now... What company have you dealt with on the past 10 years with that attitude? No blaming me... No questioning my mechanic... No argument about dollar figures.

Just had to share that.
That's good to hear that they stand behind their work. It's always nice when a company stands behind their faults rather than blaming it on other people. If only all companies were like that.
 

Grandavi

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Yeah, initially I was thinking, "excellent... Another botched part... How much is this going to cost me?". So the response was very appreciated. No dickering, I didn't ask for anything. Just told him what the problem was and it's a done deal. All my other issues have cost me at least 2000+, with a whole lot of arguing.

So refreshing to know there are still reputable dealers you don't have to worry about.
 

FernandoDLT

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I just got mine back from them. I wont have it installed for another few weeks but their response makes me feel more at ease.
 

Grandavi

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Final tune done... got my "safe" tune. Any higher and I risk problems. Happy with this power level. Definitely have to get new rubber though as my Yokohama's don't hold well enough.

We could go higher, but on 91 Octane (which is arguably 91, could be lower) if I run with higher boost I start getting up into the "questionable" area where spark/timing can become dangerous. I want the engine to last forever (and its not on a track) so this power level will suffice. :)

Grant low mid boost.jpg

I also did not get there in time for the dyno/tune so missed getting a video...

I am seriously considering tossing a QSV on the car just to move that ramp closer to 3000...


As well, Reg wants me to try the stock shifter on the transmission prior to pulling it just because he thinks its the Nashman V.2 shifter causing the "notchy" feel, etc..
If the stock shifter works, then I will try the C's shifter...
 

supraguy@aol

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Those are nice, solid numbers.
Anything above that becomes a traction issue, and more work/ less fun to drive.
 

Grandavi

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Yes, talking to RCTS regarding this and basically because a. I am driving on city streets only and b. I want the engine to last, that going any higher is where the risk starts coming in. I asked for as much power as I could get safely.
They are fairly certain we could squeeze over 520 rwhp out of it, but then the life of the engine could be drastically shorter because I would be over reaching the current setup for spark and timing plus the ability to handle anything "odd" could kill the engine quickly.

So, we agreed, this would be a nice safe and fun power range. The dyno boost is actually approximately 2 lbs higher than actual according to them.

Quote: "Supra is mean, your going to need tires for it. At mid boost thats 475 HP at the flywheel, and 409 at low boost!"

I have to actually confirm that I understood the "14 is actually 12". I may have misunderstood it. Picking up the car in 1/2 hour. Gotta get some nice 275 Nitto's on the rear....
 

din904

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Nice but the turbo really doesn't wake up till about 18 psi I'm running between 18 to 21 psi on 93 octane making roughly 500rwhp on 6265 dbb turbo for about 5 years.
I mostly run 18 psi but on cooler days I'll push 21 psi that's on a stock long block. You having forged internals and mls gasket 18 psi would be a real safe number providing your tuner is good at what he does. I would at least tune it to 18 psi and then you can turn it down and at least have the option to run higher boost when needed.
 

Silver MK3

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Those are great numbers, and I'm sure it's worth it to sacrifice a little power for the longevity of the engine. What's next for the Supra? Just drive it and enjoy it for a while?
 

Grandavi

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Next is wheels that can hold the power, a new diff, and interior. (Leather)

We want to run the engine at this power level until next year, see how well it holds up and get me used to the power. It's not the same as what I'm used to, scary things happen when your breaking traction under boost in third.

Next summer we will recheck the tune and up the boost. Bottom line is that there is no reason to go higher yet and a lot of reasons to leave it capped. Eventually I may get into the 1/4 mile scene and then the game changes. I would go for higher power and run race gas for that... But so many things (like roll cage) to consider if I go to 500+ which the car is capable of. Right now it's a very fun pull, but on city streets/highways I can't wind it out. The additional power has pointed out some issues, like my steering is not tight enough for 100+ mph (I've been up to 190 kph which I think is 110 mph and I still had more to go, but pulled back). Plus I have stock brakes (Brembo rotors, stock calipers)

Talking about these high hp builds is different than actually owning/driving them I'm finding. Pushing the car above 400 to 500 shouldn't be too risky, but I think (by my calculations) that I'm at 475 HP at the flywheel. I think my build is only safe for somewhere near 700 at the flywheel... I don't want to run it full out.

I decided long ago that my car was going to be for street and not be a dyno queen. This summer will tell if I want to go higher or not. Good to go slowly and fix the gremlins first.

Ultimately I want to be set up for 19 psi max boost. 21 is doable, but I think I would go sequential with a COP upgrade for that. Plus I have access to 94 octane but that's not a reliable number. Slow and sure...
 

din904

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Looks like you have a good plan in mind I can appreciate that. As for your traction issues buy some r888 and align your rear camber to zero you will not a have a problem with traction at that power level even in first gear. Enjoy driving your car it doesn't take long before you want more power.
 

Grandavi

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Lol, I know that :)
From BPU to here has been a 4 year journey. I find once your comfortable controlling a car at a certain power level... It's time to upgrade.
 

Grandavi

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Well... retrofit for the A/C done. Thanks to a poor purchase of a "rebuilt" used compressor (filthy and they wouldn't touch it at the shop) I had to get a full retrofit kit (which apparently includes a new(or reconditioned) compressor). Everything done and it blows cold, no leaks detected.... one more check mark off the list of "to-do"s.

Steering next... sigh...
 

Grandavi

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Yep... I think it say without freon in it since 2002. Pretty well everything is new now. The compressor is definitely new. Had I known that I wasn't able to use my used compressor, I would have been a bit more prepared.

The AC system isn't really that difficult to do yourself, but the potential for disaster if you don't know what your doing (I don't) can be up there abit. I try to avoid doing anything with high pressure... Lol. Im accident prone when I hold a wrench
 

Grandavi

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Update...

My daughter gave me a new grandson on Sept 29, so I went up to visit her.

Rebuilt r154 still had the pop out issue, and when I arrived (it's a 550 km trip one way) my trans made a sound like the release bearing was rattling that disappeared when I put the clutch in.

After sitting for 2 days, I go to start up and begin the drive home. No odd sound.

During the drive home, I have to downshift from fifth to fourth and it felt like the fork was being pressed as I went into gear. Tried it again... Felt normal... Getting a little concerned... Still 3 hours from home.

Go to pass someone and them I get a loud "boom" and a black puff (cloud) of smoke comes out of the back end. Engine is dead.. So I put in the clutch to coast and not kill myself or everyone else... And realise I can't shift... Period. It's froze in fifth, but there's no gear there...

Restart the engine to give me back steering/brakes and coast to a stop on the shoulder. Engine seems fine, nothing that I can detect wrong so I think the trans locked up and stopped the engine crating back pressure which caused the boom. Trans is pretty well useless at this point... Towed 248 km home... (Not a cheap option)

Now I wait on Jack Transmission to send me the replacement that I have been waiting on.

Kinda scary... Luckily I don't panic behind the wheel...
 

Silver MK3

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That's not good... Hopefully no damage was caused to the engine, and it was only the transmission. I know you have a lot of work in that engine.
 

Grandavi

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Running the engine with the clutch in, it all seems normal. I Think because I was accelerating to pass and then the trans just stopped the engine which can't be good, but that seems to have not done any damage... So far as I can tell.

Will have it looked at when the trans gets r&r'd
 

Grandavi

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Car's running properly... the rad cap was letting coolant out.. put a new one on, so all should be good now. Only drove it for 30'ish minutes since new R154 installed and speedo gear corrected. New center support bearing feels nice (driveshaft). I forget sometimes how much this puppy can pull on the highway!

Snow is on the ground.. no chance to really test it out to see if all is good.

Putting this here just for safe keeping... (Trans build for my records)




(for full size version, click below and view zoomed up at 700% - sharp and clean at this size)

http://www.gdscentral.net/1988_MK3_R154_Built/88Supra_R154_Rebuild.jpg
 

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atmperformance

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Oh cool they do still rebuild them. my trans doesn't pop out of gear but i want to do the rebuild for the wash and synchros
 

#04

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Little bit jealous of your tranny,

I'll be checking back for an after break-in review...

Go now.... enjoy...