T61 Bolt on Turbo by Cx Racing

IwantMKIII

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You may be able to squeak some power out of adjustable, but for the most part they are a waste of time w/o some cams to pair up
 

jagpride

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You may be able to squeak some power out of adjustable, but for the most part they are a waste of time w/o some cams to pair up
I am not talking about making more power. I am merly saying we should move the powerband lower to gain more response. That being said I know if we do make the powerband lower it would hurt the top end a bit but seeing that the turbo is already kinda big i dont see how it would choke up on the top end. Theres alot of guys in the DSM community that use adjustable cam gears to spool big turbo's quicker seeing how they have small motors. Just a thought
 

7mgte88

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Hey guys. Thought I'd add some experience with this turbo on my girlfriends Supra.

Specs:

1988 Supra 5 Speed
T61 turbo
CX racing intercooler and hard pipes
HKS SSQ (recirc)
K&N filter
BIC downpipe, no exhaust right now after the downpipe

Everything else engine wise is stock.

I did all the mods to the turbo prior to installation, it didn't hit full boost until 4k. At this point it still had some home-made 2.5" exhaust system with one high flow cat and Magnaflow.

Just put the BID DDP on and holy smokes, it makes full boost in first. It spools SO MUCH better now.

Tomorrow I've got a Walbro 255, RC 550 injectors, MAFTPro. Should wake it up a bit more...

BTW it's hitting fuel cut with 9-10 psi depending on the day. With the stock turbo it was set at 18psi and never saw fuel cut. The T61 flows a poop ton more air eh?


Girlfriends loving it, especially now that it hits boost a little better.
 

drewmiller5007

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what about a different wastegate? i heard it mentioned on here before but have any of you guys bought a different one and had any results? i have mine holding 15psi now on the top end but still can only squeeze out 10 in 1st gear then shoots to 15. i too am running open downpipe.
 

suprajztwenty

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my stock ct just took a shit...still spins decent and boosts fine but its got noticeable shaft play and it burns oil on occasion.

ill be buying this turbo in the next 2 weeks. i can probably fabricate the oil lines myself but it would be good for the thread if the folks that have done their lines would post pictures/specs of the work, details of material lists and overall average cost.
 

elbowblk

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good thing i found this thread. Im running a ct26 in my 240sx atm. I was eye-ing this turbo for a while and was thinking about buying it to just run 12 psi. But after reading that you guys hit full boost at 4k with a 6 cyl.............. lol im going to have a 500rpm powerband in my 4 banger.
 

my7mgte527

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i have a t67 kit from cx. im on my 3rd one they arent bad but if the turbo has shaft play return it its not worth it in the end and their restricter plated clog like no tomorrow i have to bore mine out in order for it to work in the turbo properly
 

SupraSean

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The t61 i bought last year, I put about 1500-2000 miles on it with no problems... I ended up melting a piston at the track because of a poor tune(Yes i know my Stupid ass fault). Pulled the turbo off, oiled it, sealed it up and put it in the house.. I put it on the new engine, and start it and this thing is pouring,,i mean fucking pouring smoke. i start thinking rings, but then i notice when the car sits oil literally drips out of my 2' downpipe onto the ground so i pull the turbo off and sure enough no oil in the manifold, but a SHIT TON in the exhaust housing of the turbo...so i pull the turbine wheel/shaft out to find...No oring on the shaft...Wtf I dont know where it could have gone????? I just wanted to share this for future reference. Also this turbo saw no more than 15-16psi.
P.S. i called and spoke with Cxr's Sales rep and a rebuild kit is like 30 bux..
 

gachax

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Mine is pouring oil as well.
It had happened before and then it turned out the oil drain was clogged (bad quality hose close to exhaust manifold). I changed the drain hose to teflon (plus rebuilt the turbo even though it was almost new) and it was fine until it started to smoke again. And it's not more than 4000 miles (20-25 PSI) after the rebuild. The in and out shaft play is about half a centimeter or more and the exhaust wheel is starting to touch the plate behind it. There's no axial play, though, but the oil can be seen in exhaust housing of the turbo.
So unfortunately I have to say the turbo is not a good quality. Currently I'm thinking about new ball bearing cartridge if I'll find one with the right parameters for the housing of this turbo.
 

Suprabeast4x4

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I am currently running a CX RACING CT-26 and it seems good so far. Builds boost quickly hits 3 psi by around 1800 rpms and 5 psi by just over 2000 rpms and then up tp 8 if i lay into it. I saw it go to 12 psi once and only once ??? not sure what that was about...
My only complaint as of yet was it was not clocked correctly, hot and cold were clocked but the center was out of alignment oil hard line didn't line up but I re-clocked it. I hope this one last longer than the last one from Supra Store :(( bearing went in less than 1000 miles. I let you guys know how it holds up. truck is down again w BHG, fing BHG if its not one thing its another. I'll be glad to get the bugs out of this swap.
 

SupraSean

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Yea poodles.. i was under the impression there was an o-ring like seal on the shaft, Realized its kinda like a piston ring ish... I found out my pcv system was clogged and i believe this was part of the culprit to my oil problem. im going to put it back together and see what happens.
 

SupraMan1987

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So going threw this entire thread, it still hasn't been answered. Has the WG issue been solved? I am not against using an external gate if someone can figure out exactly how it should be done? Also, what DP are you guys using with this?
 

gachax

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So going threw this entire thread, it still hasn't been answered. Has the WG issue been solved? I am not against using an external gate if someone can figure out exactly how it should be done? Also, what DP are you guys using with this?
I reused stock CT26 WG actuator with additional spring pulling back the WG to make it stiffer, so it started to open at 15 PSI if I remember correctly, but that didn't help much with the turbo lag. I have a manual boost controller, so either exhaust gas pressure is opening the WG or the turbo itself is the issue. I'm going to try dual port actuator with EBC and hopefully rebuild the turbo by putting in ball bearings.
I'm using custom 3" downpipe with cheap 3" elbow from ebay which had to be modified a little bit so the WG doesn't touch it when opening.
 

SupraSean

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I would like to update that the smoke from the turbo was caused by a lack of ventilation from the pcv system. fixed pcv and put turbo back on, no smoke:) getting tuned with map ecu2 in the next few months:) have to get the car legal. i also noted another problem to the wastegate flapper problem.. under a quick snap(simulating a vac pull) it gets stuck open. so i threw a quick tack weld on the arm to the flapper. should hold boost much better with that and a sealed compressor housing.
 

supraguy@aol

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So, seal the compressor housing, tack weld the wastegate flapper, switch to dual port actuator, and theoretically improve the lag by
converting to ball-bearing...
So...this turbo is better than a standard 57-trim upgrade....HOW?
I'm glad a few of you guys are finally getting the bugs worked out on this thing, but it really doesn't fulfill it's primary selling point: plug'n'play.
For the cost and/or hassle, I'd rather go full T4, which is what I'm doing.
 

SupraSean

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If i knew then what i knew now i would not have bought this. i would have saved a little more and went to a t4 setup with an s375 or a 6262. But This is what i have for now, so just try to make the best of it and see what i can squeeze out of it. lol at converting to ball bearing...

Also i was looking at the specs of this turbo again, and realized the inducer is 66mm... Why call it a t61? lol
 

obdriver6

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WOW! Simply WOW! After reading ALL 74 pages of this, it appears that the problems on this turbo have not been resolved. I was hoping I had finally found a turbo for my dad that would make around 430-450 whp but I guess my search continues. It seems that this turbo has potential but it seems that turbo lag and WG are killing it! CXracing really NEEDS to fix those problems!
 

Suprapowaz!(2)

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I want to believe it's all in the balacing of the both compressor and turbine wheels. I've had a 50trim fail on me in three days of getting it back from Majestic Turbo. The shaft snapped. That's a small wheel. BTW Majestic Turbo out of Dallas, Tx. customer service sucks and they don't back up their worksmanship. Buyer beware, you have been warned. They will tell you the turbo failure was your fault.
 

Poodles

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CT shaft is larger than the garrett shaft the wheels come on. It's a large wheel in a small housing producing surge (and not the surge you control with a BOV).
 

Supracentral

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It's a large wheel in a small housing producing surge (and not the surge you control with a BOV).
Yea, this kind of surge:

[video=youtube;nCj6Spwl1CU]http://www.youtube.com/watch?v=nCj6Spwl1CU[/video]
 

timtiminy

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Not sure if anyone has seen the Kinugawa ct26 60-1 turbo, Might be a better alternative to the Cx Racing one. Has a 1yr warranty. Here's a link to it at the manufactures website: http://shopping.kinugawaturbo.com/k...a3sgte7mgtect26upgradewgarrett60-1450p-1.aspx
They also sell a compresor wheel and cover kit for right around $200 and an adjustable wastegate actuator for around $130 which their 60-1 turbo comes with.
 

gachax

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As I expected, turbo shop couldn't find matching BB CHRA for this turbo. Ended up buying Precision 6262 BB. As always, money spent on cheaper alternatives will eventually be just the money thrown away.
 

IwantMKIII

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Not sure if anyone has seen the Kinugawa ct26 60-1 turbo, Might be a better alternative to the Cx Racing one. Has a 1yr warranty. Here's a link to it at the manufactures website: http://shopping.kinugawaturbo.com/k...a3sgte7mgtect26upgradewgarrett60-1450p-1.aspx
They also sell a compresor wheel and cover kit for right around $200 and an adjustable wastegate actuator for around $130 which their 60-1 turbo comes with.
No, worse. 60-1 in a CT-26 housing is destined to fail quickly.
 

wuestda

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Is it balanced?
I bought one and had it installed along with a pipe-Kit, and MAP ECU3 computer piggyback. Problem on first high boost run: Disabled AEM Boost controller to let it release at stock 8lb of boost (which it did) but never got boost after that because I think the Wastegate never closed after that.Might be that the acruator arm is interfering with the New oil-return line flange (VERY close-by. Yet to be determined. Have seen posts by others about same issue, so it may be an inherent problem. We will see. Anyone else heard about this?
 

spainobain1234

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I PURCHASED THE 7mgte Gt35r turbo kit.

I don't see any water ports...I don't even think the stock oil lines will work on it. I imagine it is a t3/4 center section..
Lots of fabricating. Gt35 turbo is so large that the header/exhaust manifold provided seems to.be in the way. The only way to fit the turbo on 'he heade and bolt it down is to hammer 1/8th of an inch on one port of the header and insert a miniature heat shield betwee. The header and turbo. Oill lines? You wwondered how well the stock lines bolt up? Thry dont. This turbo is 100% oil cooled and the cx racjng company provides you with oil fittings for the turbo, but they skimp you the fittings for the block which you have to get at a turbo performance shop e.g. Turbo Technology Tacoma Washington. After fabricating oil lines so that the ones that they provided given fit the engine block, then you have to customize the downpipe to fit the escape rear side of the gt35 godspeed turbo. I made a 90 degree 3 inch bend insert into a clamp that clamps the rear turbo exhaust escape side to a 3inch exhaust adapter. Anyways long story short i am positive that the kit is worth $800 . Email me or reply if you need help or have any questions.
 

Nghty89

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Bringing this thread to life as it helped me make my mind up on running this turbo (meaning I got it for a steal and didn't have any other option at the time so this thread helped me feel a little better about it). Over 1500 miles daily driven since installed with stainless feed and drain. Stock elbow to 3" exhaust, stock everything else except the intake. Replacing some bad knock sensors tomorrow ish and a bad bov as well. Then I'll be able to give it the berries and see what she has. So far she boosts quickly, sounds good, and the internal wastegate is 8psi (preloaded to half a hole) and holds accurately. Running 10w30 full synthetic on a rebuilt bored over 7mgte, walbro, and a few other goodies. Oil pressure looks good cold and hot. I'll get a dyno soon, once I clear up the minor issues. Wasnt able to find anything in this thread, but I did give up after 40-50 pages lol

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Nghty89

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You're on a stock elbow?
You should see quite a difference when you get rid of that.
I can't wait either since last time I ran a big mouth it was amazing. I plan on going big mouth since the divorced wastegate models don't seem to line up terribly well with the exhaust housing itself.


Too bad the price doubled on them.
And possibly the quality because I have had almost no issues. Just needed preload, and had to have a custom slanted oil drain flange/nut made by my local guru (Mark you rock!) to hook up my -10 drain line, and I made my own intake pipe section. Otherwise this thing is pretty awesome. We will see how it goes with the dyno, and a before and after on some mods.

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Nghty89

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Quick update, still running well. Fixed my code 52 and Damn this thing is fast and comes on nice and hard after 4k rpm. Still need to get an EBC and free up the exhaust system, but she's fun to drive. No spinning tires yet and just at 7-8psi, so I expect more from it.

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MK3pizzadriver

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Any more feedback on this turbo? Still running well for you all?

I'm thinking the lagginess won't be as much of an issue on my automatic, hmm..
 

super51fan

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Why not buy a proven bolt on from Sound Performance. There new CEA series would be a great bolt on turbo. And if a issue would happen I bet they would take care of things right away.