STS Turbo setup
http://i.b5z.net/i/u/1473169/f/Video..._VERSION_2.mpg
Whatever you decide, a FI vette is a lot of fun!
Whatever you decide, a FI vette is a lot of fun!

Since you are running a Procharger.. and posted your #'s..
STS on a STOCK 98 Fbody LS1 engine..
60-1 .81 a/r 414rwhp 450rwtq @ 5psi
same turbo @ 8spi..42#injectors.. 508rwhp 548rwtq STS is doing it better than procharger. oh and full boost at 3000rpms
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STS on a STOCK 98 Fbody LS1 engine..
60-1 .81 a/r 414rwhp 450rwtq @ 5psi
same turbo @ 8spi..42#injectors.. 508rwhp 548rwtq STS is doing it better than procharger. oh and full boost at 3000rpms

1. My car puts out more than what the dyno reads, due to the high stall that eats power-3600, 2.5 str. I was under the impression everyone knew that.
2. I am running a 3.7 pulley. My previous 3.4 pulley produced 518 rwhp.
3. What are you running?
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Look, you're obviously a STS owner and are going to swear the STS system is the Holy Grail of FI... fine, you have your opinion and I'm not going to bash STS or point out the numerous disadvantages to STS turbos. I just want to point out to the thread starter that there are other proven less expensive FI kits out there that will put out the numbers if you're only looking for a basic FI system. If he's looking to get more serious and build an 800+ rwhp machine, then he'd have to be a fool to go with the STS system given the availability of much more effective and efficient front mount TT systems.
Just my two cents.
The STS on the vette is pretty loud as you'd imagine, but not SUPER loud (and it obviously doesn't whistle like that gay commercial). Remember, a basic TT STS vette has no mufflers.
Look, you're obviously a STS owner and are going to swear the STS system is the Holy Grail of FI... fine, you have your opinion and I'm not going to bash STS or point out the numerous disadvantages to STS turbos. I just want to point out to the thread starter that there are other proven less expensive FI kits out there that will put out the numbers if you're only looking for a basic FI system. If he's looking to get more serious and build an 800+ rwhp machine, then he'd have to be a fool to go with the STS system given the availability of much more effective and efficient front mount TT systems.
Just my two cents.


and lag, its not always a bad thing and if you want ZERO lag run a smaller turbo, i'd prefer to have boost come in later and then just scream all the way to redline instead of having power right away and possibly falling on its face before you get in the upper rpm's
just my opinion and i have neither kit. but have a few turbocharged cars
STS TT results. Enough said, through the cats and on pump gas with the standard T3/4 turbo's and not the T60 turbo's.

and lag, its not always a bad thing and if you want ZERO lag run a smaller turbo, i'd prefer to have boost come in later and then just scream all the way to redline instead of having power right away and possibly falling on its face before you get in the upper rpm's
just my opinion and i have neither kit. but have a few turbocharged cars
and about the LAG comment, boosting later is better and in many ways, less stressful on many components of the drivetrain, and usually boosting later rather than sooner means u have more pulling power/potential up top...
STS TT results. Enough said, through the cats and on pump gas with the standard T3/4 turbo's and not the T60 turbo's.
that is absolutely sick...i bet he's not maxing anything out just has to change wastegate springs to see 900+hp.. im feeling better about my soon to be rear mount project every time i see something like this..
-Coleman-
Ps good luck!
The STS on the vette is pretty loud as you'd imagine, but not SUPER loud (and it obviously doesn't whistle like that gay commercial). Remember, a basic TT STS vette has no mufflers.
I was there the day those sound clips were taken... those are the sounds.. Viper motors sound very odd and unique. Thats the exact sound from the Twin turbo C6.
ive owned a procharged LS1.. hated the whine.. some people like it... my busted a belt.. not just once.. 2 times.. i didnt get full boost till 5200 rpms.. and yes it did have lag.. great product if you like superchargers.. its no longer my thing.
I dont have an STS system.. ive ridden in plenty.. including the C6 from the STS commercial.. several LS1 camaro's.. A tahoe, an SS 04 truck, ect.. the procharger had more lag than any LS1 STS.. thats with both the 60-1 and GT67.. although the GT67 does kick on a tad later than the 60-1.
im not here to argue or debate.. some one just posted stats.. i posted STS.. and from my stand point.. Turbos Vs superchargers is apples to oranges, because although similar in function.. they differ greatly.
back to topic
Look, you're obviously a STS owner and are going to swear the STS system is the Holy Grail of FI... fine, you have your opinion and I'm not going to bash STS or point out the numerous disadvantages to STS turbos. I just want to point out to the thread starter that there are other proven less expensive FI kits out there that will put out the numbers if you're only looking for a basic FI system. If he's looking to get more serious and build an 800+ rwhp machine, then he'd have to be a fool to go with the STS system given the availability of much more effective and efficient front mount TT systems.
Just my two cents.

As for cost...face it; FI is expensive. Doesn't matter what route you go.
And for front mounts.....space is a MAJOR problem. Heat is another problem. Hell, I can barely shoehorn the damn STS intake pipe into the engine bay....let alone the whole freakin turbo, wastegate, intake tube, etc. People I've met with front mount kits whisper rumors that the hot parts (ie manifolds) sometimes break at the welds on the front mount kits. This isn't hating. A good designed kit looks awsome. And ground clearance is my achilles heel, so I appreciate the front mount kits for that too. Just a point that ALL FI ROUTES HAVE THEIR UPS AND DOWNFALLS. It comes down to what you want....which might be different from me, the guy next dor, etc.
Just my $0.02
Last edited by Schantin; Mar 30, 2006 at 04:12 AM.
that is absolutely sick...i bet he's not maxing anything out just has to change wastegate springs to see 900+hp.. im feeling better about my soon to be rear mount project every time i see something like this.. 
Wait until you see my car and about six others coming down the pipe.
STS well be selling a lot more kits.
First Custom 427 STS TT Build.



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