sts ls1 dynoed today

got this off the utah board:

Well, we dyno'd the 99 LS1 today up at Phantom. Didn't exactly get what I was expecting but that's O.K. I'll post the dyno charts on the website anyway. Here is the results:

Stock was 320 rwhp at nearly same conditions on same dyno. STS system installed with no tuning went:

416 rwhp and 452 rwtq at 5 psi boost

Then flipped the switch to high boost which is about 7 psi but the gauge read 8 psi during the test so we'll say it was 8. Methanol system runs on high boost only.

509 rwhp and 551 rwtq

Like I said, not what I was expecting. (About 50 hp more actually)

Needless to say, Brian is pretty excited.

Not bad for a couple hour bolt on.

Talk to you later, Rick @ STS


not bad at all:D cant wait for spring time for some track results!

I'd like to know what fuel they were running for that.. C16 ??

--Sean

I was running pump gas (91 octane) with no fuel management (other than the STS methanol injection kit) using the stock MAF & PCM.

Awsome , can you post a graph ??

You have a pm :)

Wait, I thought that a rear turbo was completly impossible blah, blah, blah :D

Let the flaming and banning begin, but I think this is an idea whose time has truely come.

I think what these guys have done is going to impact the automotive world more than our over-inflated egos will let us admit. I bet that within 5 years you will see a similar concept used on a production vehicle as original equiptment.

BBB

what are the specs on the turbo you are running with the kit

as far as i know its a 60-1 which is custom built into a TO4E, compressor is good for about 650 hp (65 lbs/min)


off the utah board.

Originally posted by 93formula
as far as i know its a 60-1 which is custom built into a TO4E, compressor is good for about 650 hp (65 lbs/min)


off the utah board.

got a linky:)

http://www.ufba.org/forum/index.php?board=16;action=display;threadid=3476;st art=0

Something gave it more power after the 5psi...

from the first 5psi you get 96HP more .. but with the other 3psi you get another 95HP more???

So question.. the injection system is being used in the 8psi right??? If it is.. the injection system works to boost a lot of power and it can be run with a supercharger also and give it the same advantage...

Let us know

i believe so, they sell the injection system separatley, the buick turbo guys run similar injection systems as well.

Originally posted by The Highlander
Something gave it more power after the 5psi...

from the first 5psi you get 96HP more .. but with the other 3psi you get another 95HP more???

So question.. the injection system is being used in the 8psi right??? If it is.. the injection system works to boost a lot of power and it can be run with a supercharger also and give it the same advantage...

Let us know


This is correct -- the methanol injection is running at 8 psi. But... from what I understand, the first couple pounds of boost don't give that much horsepower.

Originally posted by BBB
Wait, I thought that a rear turbo was completly impossible blah, blah, blah :D

Let the flaming and banning begin, but I think this is an idea whose time has truely come.

I think what these guys have done is going to impact the automotive world more than our over-inflated egos will let us admit. I bet that within 5 years you will see a similar concept used on a production vehicle as original equiptment.

BBB

I doubt an OEM manufacturer will do that so somebody with an 18 volt sawzall can come swoop on your turbo. LOL. Please don't let this thread grow to 20+ pages, it's just not needed.

EDIT: BTW I am running alcohol injection on my car... I just made a kit for a board member with an S-Trim. If anybody else is interested PM or email me. I will put together a nice kit for ya, I got pics too. I have learned much from my Buick mentors.

:bow: Buick Turbo Regals :bow:

The first couple pounds of boost aren't as efficient as the turbo isn't in it's efficiency range and you are just starting to overcome the restriction of the exhaust housing.

Methanol system also drops the intake temps so our IAT's were lower at 8 psi by about 45F than they are at 5 psi without the methanol.

We just put one of our Methanol Injection Systems on a supercharged Viper. We dropped his IAT from 220 down to 100F and allowed him to run alot more timing. This system works excellent with any FI system and it is progressive unlike alot of systems out there.

Well.. then what is making wonders is the methanol :D if you get 45F less at 8psi than at 5 it means that it will be a lot more efficient even with higher boost, which means a lot more power and better everything...

I am interested in this kit and how long does it last?

Disasm

What are the spooling characteristics of the turbo? For example, if you are at 2000 rpms in 3nd gear and mash the gas, what rpm do you see 3, 5, and 8 psi.

Also, what are your thoughts on the "lag" the system has?

Tks

I'll let disasm give you his opinion on the car's drivability and performance but here are the test results of exactly what you are asking. Read through the intro so you understand test conditions. These are worst case test conditions started by accelerating past the test rpm and then closing the throttle and letting the car decellerate down to the test rpm than mashing on the gas. Keep in mind that we are at high elevation. Track air here is typically near 10,000' which drastically effects spool up time. Boost will come on way harder at low elevation. Also, clutching the car will spool it quicker.

www.ststurbo.com/turbolag

Also, dyno charts are up on the website. Click on turbocharger kits, LS1 Camaro, and then on Dyno Chart links.

All I can say is WOW, I saw a video of a black camaro and being overseas and out of touch I didnt believe it. And now here it is. I have some questions also, does it use a intercooler, and what does it cost??? Congrats on the BIG numbers.

That vid was my car. It was a friend and i just mess'n around with it when i put the 5# spring in. Didn't think so many would see it :)
No intercooler, but the methanol kit is just about finished, so 7psi testing soon.

Is the time in your sig with the turbo? because thats not that impressive on a forced induction LS-1, my friend Brian has some 12.9's on a stock LS1. His MPH was around 109-110 I think. The STS is an interesting piece though.

note that his is NOT an LS1 :)

for 5# otherwise stock running 112mph sounds pretty decent to me!

yah remember that his car is an LT1!!! Thats impressive
I have the video of Lukes car downloaded too:p
what did your LT1 trap stock guessing 100?

Originally posted by Insomniac
Disasm

What are the spooling characteristics of the turbo? For example, if you are at 2000 rpms in 3nd gear and mash the gas, what rpm do you see 3, 5, and 8 psi.

Also, what are your thoughts on the "lag" the system has?

Tks

I just ran a test in 3rd gear at 2000 RPM and mashed the gas and it's at 3-4 PSI by 2500 RPM. I didn't push it too much farther than that as the weather here is not very conducive to this kind of testing right now as there is snow everywhere. But it doesn't take very long after it has started spooling to get to full boost.

I don't think the lag is as good as it would be if the turbo were way up in front, but it's not bad at all. First gear is the spool up gear and I'm up to full boost by 3500 RPM. But it just lights up the tires in first gear anyway, I can't put all the power to the ground. I end up letting off or having to shift. Overall I am very happy with the turbo. I get Viper eating horsepower with 28 MPG on the highway.

I have one question about this kit.... Would a Air to Air intercooler with larger injectors and fuel pump replace the methanol injection system if someone wants to run 8-12psi?

How much did you pay for the kit?

You don't necessarily need a front mount intercooler with this kit. This system gets 50% intercooling efficiency with the piping alone and with only about 1/2 psi pressure drop. Adding a front mount cooler will increase the intercooler efficiency (typically about 70% with a good cooler) but it will also add about a 3 psi pressure drop or more if the intercooler isn't real big. This increased pressure drop will cause the turbo to have to make 3 more psi boost than the engine is actually getting which will drive the turbo outlet temps up as much as 50F, which is that much more heat that the intercooler will have to take out of the air charge just to get back to where the system started at before adding the intercooler.

Yes, it will help but it won't be a huge bang for your buck and the effort required to install the cooler. You'll spend more money and time than you would by putting the Methanol system on and you most likely will not see as low of IAT's. At 8 psi we see about 94% intercooling efficiency with the Methanol. (That is nearly ambient boosted temps!) :D Upgrading the fuel system would be a good investment though, especially if you plan on cranking the boost up in the future.

LukeZ28

Please make another ~30 MB video of the setup once the Alky injection system is installed!


Turbocharged

Have you had any experiences yet with larger turbos than the T60-1 in either the LT1 or LS1 kits? If so, please explain any observed differences. Tks!

We are currently working on some higher hp projects with larger turbos, both inhouse and with customers, but no results yet as the projects aren't finished. We'll keep you posted as they develop.

That is cool. Let us know how they go ;)

BBB