STS Turbo
Registered User
Joined: Jun 2002
Posts: 183
From: Dartmouth, MA
Re: STS Turbo
This WAS a Great Thread. My car was even mentioned (btw John who took you in my car, was it Don). Anyhow, both sides cry all you want, but answer the Origial poster's questions.
My LS1 Kit: Basic STS turbo kit, Tial BOV, 42lbs svo injectors, Slowhawk LS1 edit tuning, LS6 valve spring, cromoly pushrods, FLP LTs, ported TB, FMIC and all custom piping by Slowhawk.
Tuning is a must, larger injectors are suggested, the longevity of the rear and bottom end are really in the drivers hands.
4.5-5psi = 416rwhp, 416rwtq 12.7@114.6, 2.097 60' on stock GSCs
FMIC + 8psi = #'s pending Tracks are closed for the season. Live with it guys. The numbers and times will be here once spring time opens the tracks. Purevl and I are anxiously awaiting for the tracks to open, just as much as you all want results!!!
My LS1 Kit: Basic STS turbo kit, Tial BOV, 42lbs svo injectors, Slowhawk LS1 edit tuning, LS6 valve spring, cromoly pushrods, FLP LTs, ported TB, FMIC and all custom piping by Slowhawk.
Tuning is a must, larger injectors are suggested, the longevity of the rear and bottom end are really in the drivers hands.
4.5-5psi = 416rwhp, 416rwtq 12.7@114.6, 2.097 60' on stock GSCs
FMIC + 8psi = #'s pending Tracks are closed for the season. Live with it guys. The numbers and times will be here once spring time opens the tracks. Purevl and I are anxiously awaiting for the tracks to open, just as much as you all want results!!!
Last edited by speedy0009; Dec 28, 2004 at 10:33 PM.
Thread Starter
Registered User
Joined: Feb 2004
Posts: 1,010
From: North Iowa
Re: STS Turbo
Originally Posted by speedy0009
This WAS a Great Thread. My car was even mentioned (btw John who took you in my car, was it Don).
I can't wait until i get my sts kit. it sounds nice.
Registered User
Joined: Jan 2002
Posts: 1,743
From: Mission, Kansas
Re: STS Turbo
Originally Posted by 95Bird
ok...saw a ls1 put one on. Went 12.2 with bolt ons and stock converter/stock gears on a 1.7 60'. Put on sts kit..no other change. Best pass was a 12.7 on a 2.3 60'. The only change to the car was the addition of the turbo. It picked up 100 dyno hp and over 100 dyno tq...by 6200(I think) the NA power curved passed the STS curve as it was falling like a brick. It picked up 3mph over the bolt on mph.
PTK has the fastest lt1 boosted f-body out here. 8.3 at 165 or something like that.
PTK has the fastest lt1 boosted f-body out here. 8.3 at 165 or something like that.
IIRC, you did, and why did you get slower, probably because your car is 100% setup for n/a. Just saying adding HP doesn't always mean quicker et's or mph, even in non sts cars. 
Where's Jose anyways?
I pm'd him about a few turbo questions but got no repsonse and I don't see him in this thread either.
Registered User
Joined: Jan 1999
Posts: 989
From: Baton Rouge, la
Re: STS Turbo
Originally Posted by 1982z28with18s
Tim, I hate to do this to you, but I'm going to have to mention it. You say he added a turbo and was slower. Now, didn't you add nitrous and get slower? IIRC, you did, and why did you get slower, probably because your car is 100% setup for n/a. Just saying adding HP doesn't always mean quicker et's or mph, even in non sts cars.
Where's Jose anyways? I pm'd him about a few turbo questions but got no repsonse and I don't see him in this thread either.
IIRC, you did, and why did you get slower, probably because your car is 100% setup for n/a. Just saying adding HP doesn't always mean quicker et's or mph, even in non sts cars. Where's Jose anyways?
I pm'd him about a few turbo questions but got no repsonse and I don't see him in this thread either.LOL..yea..well I put the jug on it for fun and posted my times..hehehe. it went slower shutting down way before the1000 foot mark. My 8th mile times were way up though..in fact..my 8th mile mph was 16-18 mph faster than my 1/4 mile time.
This car went ballls to the wall full out runs..thats the difference. If he had let off or not gave full throttle like i did untill 30 ft out I could understand..but these were full runs. Oh..and same night ..I was only running 11.1s at 124 on motor so I actually went quicker.
Registered User
Joined: Jul 2001
Posts: 292
From: Hudson
Re: STS Turbo
Originally Posted by RealQuick
As far as make the car a little faster on the street, thats not accurate. Its makes the car alot faster on the street. As fast as a front mount with equal mods, most likely not. I have taken a ride in a 630rwhp/600rwtq STS car at only 10psi. He runs 14psi on the street. That car hauls some serious groceries. My LT1 with traction is a low 12 car @ 114-117mph depending on tuning ad he would *** rape me in that thing. When the boost hits its like being punched in the chest. I have also been in a stock LS1 that had headers and 4.5psi STS. That car picked up 7mph with the 4.5psi. 7mph more than a little faster, and thats not alot of psi. Could a front mount deliver more mph with 4.5psi, maybe...but thats not being debated.
You should feel it now that its not pegged 10:1 and 16 psi like me and don ran before I put it away. 100mph burnout on 495. Also since I put that wastegate spring in and made some tuning changes its making 16 psi by 3500, makes 10 psi under 3k. Going good, shoud be sweet with the 402. I have posted many times on ls1tech, my graphs vs a few mods and users front mounts, I made peak ahead of one person and matched a mods t76 front mount, only difference was at 10 psi for both I was still 100 rwhp and 95 rwtq ahead of him by 5k. Its a dead horse, I dont even bother debating it anymore.
Registered User
Joined: Feb 2002
Posts: 5,645
From: Bridgewater, MA
Re: STS Turbo
Originally Posted by 5-liter-eater
You should feel it now that its not pegged 10:1 and 16 psi like me and don ran before I put it away. 100mph burnout on 495. Also since I put that wastegate spring in and made some tuning changes its making 16 psi by 3500, makes 10 psi under 3k. Going good, shoud be sweet with the 402. I have posted many times on ls1tech, my graphs vs a few mods and users front mounts, I made peak ahead of one person and matched a mods t76 front mount, only difference was at 10 psi for both I was still 100 rwhp and 95 rwtq ahead of him by 5k. Its a dead horse, I dont even bother debating it anymore.
Registered User
Joined: Jul 2001
Posts: 292
From: Hudson
Re: STS Turbo
Originally Posted by RealQuick
Nice!! Any new dyno numbers?
Registered User
Joined: Feb 2002
Posts: 5,645
From: Bridgewater, MA
Re: STS Turbo
Originally Posted by 5-liter-eater
no its been sleeping for over a month. There will be plenty of that this spring believe me. I will push over the 800rwhp mark with this pos sts
Registered User
Joined: Jan 2002
Posts: 710
From: Gulf Breeze, Fl. USA
Re: STS Turbo
WOOHOO! I read all five pages of this thread and I didnt even get a lousy T-shirt! What the crap?
k, i got a quick question for the STS owners...if i may? About how much for a complete install for the STS kit with a 5lb boost? I found this thread because I'm thinking about installing a turbo in my 97 TA (now that she's completely paid for). but, if i'm doing my math right, which i'm probably not, i'm coming up to around ~$6k. that would include the kit, rockers, springs, pushrods, lifters, new timing chain (for good measure), tuning, controllers, guages, wastegate, blow off valve, possibly the snorkel kit or other means of re-routing the intake (i got to have two exhaust tips for the rear of the TA, might look funny if i didnt), possibly the methanol injection system (for future upgrades), and other miscellanious stuff that i'm sure i forgot to mention. oooh, better make that $6600. i better set aside some extra cash for some new tires.
i'm really not looking for the worlds fastest car here. just a little something to have some fun with either at the track or on the street. any ideas as to anything else i would need or not need? thanks,
dave.
ps- sorry if i'm jacking your thread. if you would like, i could make a new one.
edit: also, how big of a problem is adding any kind of turbo with the lt1 high compression?
k, i got a quick question for the STS owners...if i may? About how much for a complete install for the STS kit with a 5lb boost? I found this thread because I'm thinking about installing a turbo in my 97 TA (now that she's completely paid for). but, if i'm doing my math right, which i'm probably not, i'm coming up to around ~$6k. that would include the kit, rockers, springs, pushrods, lifters, new timing chain (for good measure), tuning, controllers, guages, wastegate, blow off valve, possibly the snorkel kit or other means of re-routing the intake (i got to have two exhaust tips for the rear of the TA, might look funny if i didnt), possibly the methanol injection system (for future upgrades), and other miscellanious stuff that i'm sure i forgot to mention. oooh, better make that $6600. i better set aside some extra cash for some new tires.
i'm really not looking for the worlds fastest car here. just a little something to have some fun with either at the track or on the street. any ideas as to anything else i would need or not need? thanks,
dave.
ps- sorry if i'm jacking your thread. if you would like, i could make a new one.
edit: also, how big of a problem is adding any kind of turbo with the lt1 high compression?
Last edited by slverbullet; Dec 30, 2004 at 01:12 PM.
Registered User
Joined: Jun 2002
Posts: 183
From: Dartmouth, MA
Re: STS Turbo
Originally Posted by slverbullet
WOOHOO! I read all five pages of this thread and I didnt even get a lousy T-shirt! What the crap?
k, i got a quick question for the STS owners...if i may? About how much for a complete install for the STS kit with a 5lb boost? I found this thread because I'm thinking about installing a turbo in my 97 TA (now that she's completely paid for). but, if i'm doing my math right, which i'm probably not, i'm coming up to around ~$6k. that would include the kit, rockers, springs, pushrods, lifters, new timing chain (for good measure), tuning, controllers, guages, wastegate, blow off valve, possibly the snorkel kit or other means of re-routing the intake (i got to have two exhaust tips for the rear of the TA, might look funny if i didnt), possibly the methanol injection system (for future upgrades), and other miscellanious stuff that i'm sure i forgot to mention. oooh, better make that $6600. i better set aside some extra cash for some new tires.
i'm really not looking for the worlds fastest car here. just a little something to have some fun with either at the track or on the street. any ideas as to anything else i would need or not need? thanks,
dave.
ps- sorry if i'm jacking your thread. if you would like, i could make a new one.
edit: also, how big of a problem is adding any kind of turbo with the lt1 high compression?
k, i got a quick question for the STS owners...if i may? About how much for a complete install for the STS kit with a 5lb boost? I found this thread because I'm thinking about installing a turbo in my 97 TA (now that she's completely paid for). but, if i'm doing my math right, which i'm probably not, i'm coming up to around ~$6k. that would include the kit, rockers, springs, pushrods, lifters, new timing chain (for good measure), tuning, controllers, guages, wastegate, blow off valve, possibly the snorkel kit or other means of re-routing the intake (i got to have two exhaust tips for the rear of the TA, might look funny if i didnt), possibly the methanol injection system (for future upgrades), and other miscellanious stuff that i'm sure i forgot to mention. oooh, better make that $6600. i better set aside some extra cash for some new tires.
i'm really not looking for the worlds fastest car here. just a little something to have some fun with either at the track or on the street. any ideas as to anything else i would need or not need? thanks,
dave.
ps- sorry if i'm jacking your thread. if you would like, i could make a new one.
edit: also, how big of a problem is adding any kind of turbo with the lt1 high compression?
A Basic 5psi STS kit will run you about $5500 installed. Then add pushrods, springs, intercooler, methanol injection, larger injectors. Your guess is right in the ball park i guess. I did all of mine for just under $5000, for reference.
Registered User
Joined: May 2004
Posts: 86
From: Sacramento
Re: STS Turbo
Nice post Geoff!!!!
Like I've said before. It's all in how the car is set up when it comes to 1/4mile times...
With a converter or 2-step there is no reason why an STS car can't launch hard.
I do and I weigh over 5000lbs.... I avg. 1.80 60's now with 31" tall tires.
8psi launch then intake pipe pops off.
http://my.starstream.net/f8lpony/F8L...i%20launch.wmv
Different angle, then a 6psi launch.
http://my.starstream.net/f8lpony/Jus...0-%20Small.WMV
Now I just need to disable the ABS so I can stay in one spot. LOL
Like I've said before. It's all in how the car is set up when it comes to 1/4mile times...
With a converter or 2-step there is no reason why an STS car can't launch hard.
I do and I weigh over 5000lbs.... I avg. 1.80 60's now with 31" tall tires.
8psi launch then intake pipe pops off.
http://my.starstream.net/f8lpony/F8L...i%20launch.wmv
Different angle, then a 6psi launch.
http://my.starstream.net/f8lpony/Jus...0-%20Small.WMV
Now I just need to disable the ABS so I can stay in one spot. LOL
Thread Starter
Registered User
Joined: Feb 2004
Posts: 1,010
From: North Iowa
Re: STS Turbo
Ok so back to MY car...lol.
What are some recommendations as far as the rebuild of my engine goes to handle the 12-15psi boost that i plan on running with my future STS system?
I am going to go with a 355 rebuild.
My goal is 600-700rwhp and about the same if not more on rwtq.
Gimme suggestions on Heads, cam, internals, everything. down to ignition, and who to tune my PCM. thanks!
What are some recommendations as far as the rebuild of my engine goes to handle the 12-15psi boost that i plan on running with my future STS system?
I am going to go with a 355 rebuild.
My goal is 600-700rwhp and about the same if not more on rwtq.
Gimme suggestions on Heads, cam, internals, everything. down to ignition, and who to tune my PCM. thanks!
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