LS4 Performance Grand Prix GXP | Monte Carlo SS | Impala SS | LaCrosse Super

STS Turbo Kit

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Old Jun 21, 2007 | 01:27 PM
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Default STS Turbo Kit

Man oh man is there trouble. I just spoke to Joe (joe@ststurbo.com) and there is a turbo kit that would work with this car the stage 3 kit is good to 600 hp he said. They even refer you to a shop to get the tubing installed etc in a city near you.

Monte SS
Impala SS
GXP

The kit works on.
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Old Jun 21, 2007 | 02:20 PM
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What is the price? Details
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Old Jun 21, 2007 | 02:53 PM
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It's $2995.00 US then what ever the charge would be from the shop to install and tune it.
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Old Jun 21, 2007 | 03:33 PM
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If you did the turbo kit you would also have to get your tranny and I bet trans axles upgraded. And if you were going that far I would port and polish the heads. I would not change the gears cause this car would be hard as hell to get traction and gears would only make it 10 times worse.
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Old Jun 21, 2007 | 03:44 PM
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where can we buy?
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Old Jun 21, 2007 | 04:15 PM
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Originally Posted by scarlett
It's $2995.00 US then what ever the charge would be from the shop to install and tune it.
That is the price for the 'universal kit'. Meaning you get the bare bones stuff and you have to fabricate intake and exhaust tubing. Per their website:

"The STS Universal Turbo System comes complete with everything you need to install the turbocharger in a remote location on virtually any vehicle. Universal Turbo Systems require fabrication and do NOT include intake or exhaust tubing, fuel management or tuning."

Which, sadly, means that it is not a bolt on deal. There is much fabrication and no guaranty that it will fit. Probably run you a few thousand to get the extra parts fabricated/altered and installed. It is STS's standard answer to a query regarding something they don't carry. If you call and ask about a 1994 Geo Metro, you would get the same answer as the LS4 cars.

This is a dead end, at least for now.
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Old Jun 21, 2007 | 07:29 PM
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Yes and what ever city you are in they usually have someone to refer you to. I already spoke to the speed shop Joe referred me to and they said about $2500 for labor, pipes and tuning. STS will also select the turbo that would work best for your motor, they have a few people that installed them on the 5.3l ls4 trucks and made crazy power 200+ hp on 5 psi

Last edited by scarlett; Jun 21, 2007 at 07:37 PM.
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Old Jun 22, 2007 | 08:48 AM
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After all that you're probably up in the range of the Cartuning turbo, huh? Although i don't know many of you willing to drive to the Toronto, Canada area LOL.
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Old Jun 22, 2007 | 09:24 AM
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I have someone an hour a way that can design the pipes and tune my car. I guess these guys just finished doing a camper with twin turbo that could do 90mph.

Last edited by Richiec77; Jul 18, 2007 at 08:56 PM.
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Old Jun 22, 2007 | 01:16 PM
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Originally Posted by 06 SS
That is the price for the 'universal kit'. Meaning you get the bare bones stuff and you have to fabricate intake and exhaust tubing. Per their website:

"The STS Universal Turbo System comes complete with everything you need to install the turbocharger in a remote location on virtually any vehicle. Universal Turbo Systems require fabrication and do NOT include intake or exhaust tubing, fuel management or tuning."

Which, sadly, means that it is not a bolt on deal. There is much fabrication and no guaranty that it will fit. Probably run you a few thousand to get the extra parts fabricated/altered and installed. It is STS's standard answer to a query regarding something they don't carry. If you call and ask about a 1994 Geo Metro, you would get the same answer as the LS4 cars.

This is a dead end, at least for now.
thank you.

at least someone gives the facts instead of false hopes.
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Old Jul 1, 2007 | 02:07 PM
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Good bye tranny!
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Old Jul 1, 2007 | 03:11 PM
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There is another kit also being made and it will be ready in August. But if you really think you can just add a turbo kit as a daily driver there would be so many issues. Tranny, trans axles etc all would have to be upgraded I guess that car tuning kit is around . Link from clubGP http://www.clubgp.com/newforum/tm.as...mode=1&smode=1

Last edited by Richiec77; Jul 18, 2007 at 08:58 PM.
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Old Jul 12, 2007 | 11:34 PM
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A friend of mine had a custom turbo kit installed on his GXP like 6 months back. Made 353rwhp on 5psi tuned with 87 octane in the tank.(dumb car owner had 87 octane in it and tuner assumed he had 91) Turbo was under the hood, not in the back. I believe he ran LS7 injectors, some aftermarket intercooler for a Neon, and custom Magnaflow catback. I was with him when he picked it up and that thing burned the tires to about 60mph. The builder said the setup would probably do 420rwhp on 7psi and tuned with 91 octane.
Anyways, 3 days and the trans was fubar. Had the trans rebuilt by a local GTP guy using all Intense stuff and a Qauife(sp) posi.

Motor was toast in a month, car is gone, and he has a another brand new GXP that will only see bolt ons.

Turbo setup was top notch and badass. Its the car owners "zero" automotive knowledge that killed this car, not the shop that put it together.
anyways, the shop that did it is "not a sponser" here.

Last edited by fireman; Jul 13, 2007 at 11:15 PM.
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Old Jul 13, 2007 | 07:53 AM
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Interesting...know how much he paid?
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Old Jul 13, 2007 | 01:08 PM
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He paid alot, not sure exactly how much.

Call that place and ask Keith.
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Old Jul 18, 2007 | 08:50 PM
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STS sucks!!!!!!!
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Old Jul 20, 2007 | 07:31 AM
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That would be extremly hard to tune as far as fuel managment goes. Considering the displacement on demend.
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Old Jul 20, 2007 | 10:05 AM
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Originally Posted by chevellecrazy68
That would be extremly hard to tune as far as fuel managment goes. Considering the displacement on demend.

::sigh::
no.
dod is a part throttle feature that is shut off over a certain throttle percentage. depending on the exhaust housing, the spool time of the turbo will not be a factor in the dod function.

if you have a turbo that spools at 1/4 throttle you have bigger issues to worry about then dod
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Old Aug 2, 2007 | 03:26 PM
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You guys constantly bitch about the transmissions...

Go get your damn transmission built at ZZP or Dynotech. They have some of their race transmissions running 10s and 9s without failure. I hope you didn't expect to add 70% more power and be fine on a stock transmission....and no you don't need new axles.
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Old Aug 2, 2007 | 06:19 PM
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Originally Posted by Ragnorak
You guys constantly bitch about the transmissions...

Go get your damn transmission built at ZZP or Dynotech. They have some of their race transmissions running 10s and 9s without failure. I hope you didn't expect to add 70% more power and be fine on a stock transmission....and no you don't need new axles.
Would you like to bitch with us?

Let's look at it seriously: THEY SUCK. They are weak and a crappy design to couple with a chevy V8.

And why would you want to spend $5k -$6k on a tranny just so I can spend another $4k-$5k for a STS turbo (read crappy turbo)? Thats cool if I'm racing competitively or sponsored to drive a performance w-body nationally. Nobody here said they want to run 10's or 9's, they just wanted a mild turbo set-up to get 50-100 HP. Most of the guys cars here are their DD, and if I'm going to do 9's, I sure as hell want to be in a RWD drag car, such as a notch or f-bod,
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