ATS Built ST185

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Re: ATS Built ST185

Postby ATSAaron » Tue May 15, 2007 11:22 am

Conan wrote:
ATS_Scott wrote:Shooting for 550+AWHP

A car for drag races? :shrug:
Do you have any plans for the radiator?


It has more power/torque off boost than a 5S powered Celica GT, so it's pretty driveable.

We plan to keep the radiator. We've got two Spal's on it and one more on the A/C condenser.

toayoztan wrote:I know this is one of those " :shrug: " questions that can't really be answered, but how much of a difference would you be seeing in performance and number if a GT3076r had been slapped on instead (choose whatever AR is optimal for you)? I was planning to run with it, hit between 4-500awhp, but now i'm not so sure seeing what numbers you're getting with the GT3582r.

Good numbers by the way!

Bryan


A GT3082 with .63 AR will usually spool about 200-250 rpm sooner, but will give up 30-50whp. I suspect the 3076 will give up another 30-50hp to the 3082 (with minimal increase in spool because the exhaust side is the same. My GT3076 experience is pretty limited and was actually a weird hybrid with a smaller turbine. It made 430 at full howl on race gas, 350ish on pump.

88st165 wrote:show us 165'ers some love...


Show us some money. J/K we do love ST165's, Scott drove one for a couple years (it was mine before it was his). We only have one local customer with a ST165.

lumbercis wrote:So what model IC is it then? Do you think its just the inlet/outlet and piping size that made the difference or the brand of intercooler?


Core size, core design (how restrictive is it inside), end tank design, pipe size...it all adds up. What makes the most difference depends on the turbo and the car. Smaller turbo's like smaller intercoolers because they can't fill a large volume. Larger intercoolers with bigger pipes don't seem to effect the lag (or actually improve the lag) of the larger turbo's that move big volume at lower psi.

Did I get everyone answered?

Aaron
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Postby toayoztan » Tue May 15, 2007 5:06 pm

Thanks for the insight, i think i just have to buck down and realize the GT35 is where I need to go and sacrifice some spool time, which isn't such a big deal to me at that point.

Any particular reason why the intake manifold is center feed versus side feed? Have you guys already looked into that? Would it have made a difference?

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Re: ATS Built ST185

Postby RedCelicaTRD » Tue May 15, 2007 6:32 pm

ATSAaron wrote:We plan to keep the radiator. We've got two Spal's on it and one more on the A/C condenser.


Are the two spals on the radiator pushers or pullers?
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Re: ATS Built ST185

Postby ATSAaron » Tue May 15, 2007 6:40 pm

RedCelicaTRD wrote:Are the two spals on the radiator pushers or pullers?


We used a 9 inch puller and an 11 inch puller. Both are low profile.

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Postby theUNYTEDone » Thu May 17, 2007 10:43 am

ATSAaron wrote:
theUNYTEDone wrote:tricks eh? interested in some final product numbers. muahahaha.

gt35R ftw.


Is there any chance that your All-Trac is my old one? I sent it to Hawaii when I sold it.

Aaron


:shock:
do you remember who you sold it to? what about the stamped numbers or anything? as far as i know, im one of two white 185's in the state...
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Postby ATSAaron » Thu May 17, 2007 11:22 am

theUNYTEDone wrote: :shock:
do you remember who you sold it to? what about the stamped numbers or anything? as far as i know, im one of two white 185's in the state...


For anyone else who cares (haha), I dug out an old insurance card and we matched our VIN numbers. WOW! That is my old ST185. I sold it and shipped it to Hawaii in 2002. It was Christin's daily driver for a while, but she ended up in a newer car (5sd, turbo awd, Audi A4) and we didn't have money or space to keep our ST185. That is so awesome that it is in good hands and is going to be a record setting all-trac.

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Postby KORacing » Sat May 19, 2007 6:04 pm

ATS_Scott wrote:I'll try to remember to look up uncorrected numbers on Monday. This car is running a .63 A/R Ex. housing... I think. ;-)


Plot?

Also, I heard something happened with the transmission on this car? Is it dangerous to dyno this much hp in 2wd mode?
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Postby ATSAaron » Sat May 19, 2007 6:53 pm

I don't think so. We have multiple high 400whp runs and a couple 500whp runs. The transmission ran into problems at less than 300whp. We aren't sure why and won't know more until we disassemble it.

Replacement transmission arrived yesterday.

Scott - It has a .82 A/R exhaust. You can't get a the current Garrett GT35R with a .63 A/R.

Image

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Postby Snow_owl » Sat May 19, 2007 8:31 pm

What transmission are you putting in?
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Postby ATSAaron » Sat May 19, 2007 9:02 pm

Snow_owl wrote:What transmission are you putting in?


JDM 93. With the outrageous cost of aftermarket drivetrain stuff we are going to give another oem one a chance.

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Postby KORacing » Sun May 20, 2007 4:59 pm

I've had no problem ordering GT35R's with .63 housings -- most recent this past week.

BTW, I have 2 used OEM alltrac trannys on hand if you have need.

I was asking scott to post the uncorrected numbers, not the same plot with STD correction. I'm mostly curious for fuel usage reasons.

Edit: Congrats on the 606whp on your 2! That's awesome!
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Postby ATSAaron » Mon May 21, 2007 7:33 pm

KORacing wrote:I've had no problem ordering GT35R's with .63 housings -- most recent this past week.

BTW, I have 2 used OEM alltrac trannys on hand if you have need.

I was asking scott to post the uncorrected numbers, not the same plot with STD correction. I'm mostly curious for fuel usage reasons.

Edit: Congrats on the 606whp on your 2! That's awesome!


Garrett doesn't sell a .63 a/r GT35R with the new style GT housings. You can get the old style housing in a .63 A/R through Precision. I don't know that much about Precision turbos, it could be a Presiciion exhaust housing and not a Garrett one? What's the bolt spacing on the .63 exhaust housing you got?

thanks for the congrats. I wish I made it more cleanly, but I've got some weird ignition problems that I haven't had time to trace. Plus my intercooler is maxed out so I am probably going to use a core like this ST185 and put it in the trunk. I've been avoiding going trunk mount for years, but it's the best thing I can think of.

I'll go look for those uncorrected numbers.

Aaron
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Postby KORacing » Mon May 21, 2007 9:07 pm

They are Garrett housings -- I won't use Precision T3 housings. The exit is the 4-bolt for 3" pipe diameter. I've purchased the 35R from 2 sources with the GT 3" exit in a .63 A/R turbine housing. Perhaps they are getting them separately and not with the housing installed from Garrett, I don't know.
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Postby jonstew » Fri May 25, 2007 9:16 pm

For your gearbox problem, there really should not be one since they handle power well or mine did/does so do the other peoples' I have talked to with high HP All-Tracs. If you are tuning in FWD mode (which kind of sucks makes for a shitty tune). You have to tune only in 3rd gear of higher (no 1st and no 2nd), also no reverse. I am sure you did this too but make sure after you move the selector switch put the bolt back in. The best practice for FWD tuning is grabbing one of those old SW20 gearboxes you likely have lying around the shop and put that in instead which makes for a lot of work but it's better than trashing gearboxes.
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