sts turbos....
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Melting Slicks
Joined: Sep 1999
Posts: 3,155
Likes: 8
From: Hendersonville TN
sts turbos....
I spoke with their Mid-West sales rep of Tuesday about what there porduct was and how effect it was in relation to placement on Chevy trucks. I also ask if they had a system for TPI vettes and the guy told me that they had installed one on a 1990, he said one of his delaers had done the install and he would find out which one did itand get back with me(still has not called). I am going to call him today to get more info for sure....I don't know how custom it had to be but I am going to find out....
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
Originally Posted by Brett Richmond
I spoke with their Mid-West sales rep of Tuesday about what there porduct was and how effect it was in relation to placement on Chevy trucks. I also ask if they had a system for TPI vettes and the guy told me that they had installed one on a 1990, he said one of his delaers had done the install and he would find out which one did itand get back with me(still has not called). I am going to call him today to get more info for sure....I don't know how custom it had to be but I am going to find out....
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
Originally Posted by Rick86
Saw the article in Chevy High Performance and gave me plenty of ideas. I think this might be the way to get past the CARB ****'s here in California. After all it's only a catback system, right?
I am trying to buy into their company this month. But being Christmas time and all no one has an extra 4k to blow on a turbo installation 
It is a cool setup and from what I seen at SEMA its a cool system and works well on a stock car.
Burning Brakes
Joined: Jun 2002
Posts: 838
Likes: 0
From: Redding CA
Ya know I have seen a few rides with the Sts turbo and its a pretty clean system. I will be coming into some extra cash in the next few months, would you be interested in trying to stuff one in a ZR-1 and tune it. I think that 5-6 psi would be ok if it was tuned right and if it just would not work the car would not be hacked up. I am in Northern Ca. and would love to do something like this. There is a local speed/dyno shop here but I would rather have someon like you install it. Anyway food for thought. Happy Holidays.
Instructor
Joined: Sep 2000
Posts: 125
Likes: 0
From: Orange Park, Fla
Originally Posted by tjwong
Thats right I am trying to buy into their company this month. But being Christmas time and all no one has an extra 4k to blow on a turbo installation It is a cool setup and from what I seen at SEMA its a cool system and works well on a stock car.
I am trying to buy into their company this month. But being Christmas time and all no one has an extra 4k to blow on a turbo installation It is a cool setup and from what I seen at SEMA its a cool system and works well on a stock car.
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
Originally Posted by RonnieW
What would this system cost without installation? How does the piping get back to the engine compartment? It doesn't seem like enough to run pipes to the rear and back again. I would like to hear more about this also and am interested in getting a turbo system for the C4.
Also I heard a rumor that STS was "working" on a C4 conversion. I don't know how much truth there is to that but in this world anything is possible. So there maybe a aftermarket engineered turbo kit in the future for the C4 Corvette, which would be real interesting. Theres already several turbo C4's out there but all have been 100% custom jobs, none of which has been an over the counter engineered kit. At least not to my knowledge.
Last edited by tjwong; Dec 13, 2004 at 10:54 AM.
Race Director
Joined: Dec 1999
Posts: 10,230
Likes: 885
From: Alexandria, Virginia, USA VA
by getting rid of the spare carrier and going to a callaway style center exh I would think this could be done pretty easily on the c4 and even the ZR1.
I was very skeptical about spooling the turbo but they just "funnel" the cooler exh and use a special turbo configuration to spool up. by running low boost, you really don't need an intercooler as the turbo stays cooler and doesn't heat the air as bad.
I have seen the f body guys get some decent results. tuning the zr-1 is pretty tricky, I would contact SGC as they are doing a TT ZR-1 right now and will have a tune ready by Mar for a low boost application using the stock ECM which should provide a great starting point.
very interesting idea for a "low cost" turbo ZR-1.
ask them if they will sell just the turbo's and key components like the scavenge pumps. seems like the kit I saw was VERY restrictive at the inlet to the turbo and just a straight funnel exh pipe going into the turbo would spool it faster.
exh gas velocity is needed to make up the loss in heat energy, and the turbo has to be sized right. interesting project.
I was very skeptical about spooling the turbo but they just "funnel" the cooler exh and use a special turbo configuration to spool up. by running low boost, you really don't need an intercooler as the turbo stays cooler and doesn't heat the air as bad.
I have seen the f body guys get some decent results. tuning the zr-1 is pretty tricky, I would contact SGC as they are doing a TT ZR-1 right now and will have a tune ready by Mar for a low boost application using the stock ECM which should provide a great starting point.
very interesting idea for a "low cost" turbo ZR-1.
ask them if they will sell just the turbo's and key components like the scavenge pumps. seems like the kit I saw was VERY restrictive at the inlet to the turbo and just a straight funnel exh pipe going into the turbo would spool it faster.
exh gas velocity is needed to make up the loss in heat energy, and the turbo has to be sized right. interesting project.
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Burning Brakes
Joined: Jun 2002
Posts: 838
Likes: 0
From: Redding CA
Originally Posted by tjwong
In one of our C4's it is a totally custom installation. In a F body, the turbo replaces the muffler so all that is needed is to connect the turbo to the existing exhaust piping. Then there is a new air discharge pipe that is run to the intake/throttle body, a new turbo oiling system and a intake air filter to mount to the turbo. The install appears pretty straight forward. STS tells me its about a 5 to 6 hour install for the first timer, after one does a few the installs can be done in less than 4 hours. In an F body the air pipe to the throttle body is run along the drivers side of the chassis. If I remember correctly they said it was a 2.5" pipe but I am not 100% sure about that one.
Also I heard a rumor that STS was "working" on a C4 conversion. I don't know how much truth there is to that but in this world anything is possible. So there maybe a aftermarket engineered turbo kit in the future for the C4 Corvette, which would be real interesting. Theres already several turbo C4's out there but all have been 100% custom jobs, none of which has been an over the counter engineered kit. At least not to my knowledge.
Also I heard a rumor that STS was "working" on a C4 conversion. I don't know how much truth there is to that but in this world anything is possible. So there maybe a aftermarket engineered turbo kit in the future for the C4 Corvette, which would be real interesting. Theres already several turbo C4's out there but all have been 100% custom jobs, none of which has been an over the counter engineered kit. At least not to my knowledge.
Ya know I have seen a few rides with the Sts turbo and its a pretty clean system. I will be coming into some extra cash in the next few months, would you be interested in trying to stuff one in a ZR-1 and tune it. I think that 5-6 psi would be ok if it was tuned right and if it just would not work the car would not be hacked up. I am in Northern Ca. and would love to do something like this. There is a local speed/dyno shop here but I would rather have someon like you install it. Anyway food for thought. Happy Holidays.
Melting Slicks
Joined: Sep 2004
Posts: 3,153
Likes: 114
i was very sceptical of these system when i first saw them. growing up with turbos always mounted in the bay, and most only inches from the exhaust ports, it "looked" wrong! but from the numbers i have seen these things really do work, and work well. there will be some energy lost though cooling in the run to the back, but i cant see it being that much. and if its a big concern then coat the exhaust system to reduce it. there is no dout that these systems will not be as effective as a "proper" system, but then they are cheaper and far easier to install. also on large engines like the once you guys have (im more used to 2.0ltrs) you will not have to worry about lag, if you pick a suitable turbo.
personaly they get my thumbs up in a big way.
thanks Chris.
personaly they get my thumbs up in a big way.
thanks Chris.
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
Originally Posted by kabnvtt
Ya know I have seen a few rides with the Sts turbo and its a pretty clean system. I will be coming into some extra cash in the next few months, would you be interested in trying to stuff one in a ZR-1 and tune it. I think that 5-6 psi would be ok if it was tuned right and if it just would not work the car would not be hacked up. I am in Northern Ca. and would love to do something like this. There is a local speed/dyno shop here but I would rather have someon like you install it. Anyway food for thought. Happy Holidays.
I have possibly two STS systems to install this month or January. One is pretty solid, the second depends on the condition of his engine as it is now, as it was wounded this year at the local drag strip. I am not sure whats wrong yet, but I do know that the cam don't turn any more and at least three push rods were bent meaning that at least 2 pistons made contact with their respective valves, in any case the owner is probably prepared for the worse.......
keep in touch and merry Christmas as well
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
Originally Posted by Baldturbofreak
Keep an eye on bruce's car. A Zr-1 would be no different 
Drifting
Joined: Nov 2003
Posts: 1,637
Likes: 2
From: Honeoye Ny
Bruce took more pics, but he hasn't posted them yet. Yep oregon might be a bit of a drive for us, but that would be really cool. the local dyno is a Dyna pak system that bolts right to the hubs (water brake) and I think we are going to hit "tilt" with it at 900rwhp. I started eyeballing how Im gonna build bruce's refirgerator tank using a spare evaporator. I'm expecting 40 deg temps@15psi.
Two finals down, two to go. After 12pm today I will be finished until Jan 24th. Then some real progress will be made.
Hope the block doesn't break.
Two finals down, two to go. After 12pm today I will be finished until Jan 24th. Then some real progress will be made.
Hope the block doesn't break.
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
Originally Posted by Baldturbofreak
Bruce took more pics, but he hasn't posted them yet. Yep oregon might be a bit of a drive for us, but that would be really cool. the local dyno is a Dyna pak system that bolts right to the hubs (water brake) and I think we are going to hit "tilt" with it at 900rwhp. I started eyeballing how Im gonna build bruce's refirgerator tank using a spare evaporator. I'm expecting 40 deg temps@15psi.
Two finals down, two to go. After 12pm today I will be finished until Jan 24th. Then some real progress will be made. Hope the block doesn't break.
Two finals down, two to go. After 12pm today I will be finished until Jan 24th. Then some real progress will be made.
Hope the block doesn't break. These twins are paired up with a set of 210 CNC ported AFRs and loaded with Lunati cranks and their billet rods. For pistons I have a set of Ross custom 2618 alloy blower design pistons which are ringed with A-C HTD steel top rings that will take blower and NOS abuse. I won't be planning on the latter but these are very tough rings. Horsepower wise they will be nothing like what Jebs engine put out. But I hope to see an honest 675 to 725 at the crank at peak boost. I have custom cams for both engines so it should be fun.
Drifting
Joined: Nov 2003
Posts: 1,637
Likes: 2
From: Honeoye Ny
I have an equal amount of careful engineering into my block.
-Filled to the bottom of the water pump
-3 billet PRO-Gram center mains (non-splayed)
-hours of block prep (stress riser removal, surface preperation)
-All forged 4340 assembly (scat crank, L19eagle Hbeams)
-custom wiseco 2xxx series pistons
-everything cermic or molyslip coated.
-going to have the entire engine cryod.
hopefully I too will be able to use a typical 15 or so psi with a methanol enraged 25 or more for short periods.
I hope all my carefull planning and engineering will pay off.
P.S ever used any Plasma Ion Nitriding?
-Filled to the bottom of the water pump
-3 billet PRO-Gram center mains (non-splayed)
-hours of block prep (stress riser removal, surface preperation)
-All forged 4340 assembly (scat crank, L19eagle Hbeams)
-custom wiseco 2xxx series pistons
-everything cermic or molyslip coated.
-going to have the entire engine cryod.
hopefully I too will be able to use a typical 15 or so psi with a methanol enraged 25 or more for short periods.
I hope all my carefull planning and engineering will pay off.
P.S ever used any Plasma Ion Nitriding?
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
Originally Posted by Baldturbofreak
P.S ever used any Plasma Ion Nitriding?
But all this new high tech stuff is neat. I haven't decided to do any thermal barrier coatings on the twins yet. As these are basically street engine with an occasion burst or two down the 1320 I don't think I will require it. Main reason is that I know where these motors are going to reside. One here in Oregon, where traffic is way too heavy to have any prolonged WOT runs other than the track. I still need two crankshafts at this time because the cranks I have are two peice main seal cranks and I am trying to get a pair of single rear main seal cranks. So if you or if you know of anyone in need of a 4340 non twist Lunati 3.75" stroke crankshaft for a two peice rear main seal I have two of them These things are about as strong as they get, Lunati don't even bother rating them, as they have been in engines well over 1000hp 
