$8000 for 4 hp???
Im with everyone else on the N/A numbers. Most LS1’s with your typical head/cam setups get around the 400-420 mark depending on how wild the setup is.
Im assuming you went to a twin STS kit? Maybe some more specs on the turbo setup, also where are you referencing the boost from? Expect a 2-3psi drop from the rear->intercooler->intake.
So assuming you are getting the boost # from the rear you may only be making 2-3psi up front.
If you are running an STS kit what are you running for pre turbo exhaust. If you have longtubes and a 3inch X or something on there then it would make sence to me. If so Swap back on the stock manifolds and H-pipe and delete the cats.
Maybe post up a graph or datalog. I wonder if you are floating valves or something also. But assuming it has head/cam work. It probably has some nice valve springs.
Jay
Im assuming you went to a twin STS kit? Maybe some more specs on the turbo setup, also where are you referencing the boost from? Expect a 2-3psi drop from the rear->intercooler->intake.
So assuming you are getting the boost # from the rear you may only be making 2-3psi up front.
If you are running an STS kit what are you running for pre turbo exhaust. If you have longtubes and a 3inch X or something on there then it would make sence to me. If so Swap back on the stock manifolds and H-pipe and delete the cats.
Maybe post up a graph or datalog. I wonder if you are floating valves or something also. But assuming it has head/cam work. It probably has some nice valve springs.
Jay
On 6lbs it should make more too I would think. I do know that if that is a sts kit and the dyno does not have proper ventialtion behind the turbos that they can be chocked off and not make good power. I have seen this happen in person. Everyone scratched there heads and they figured out that it was a ventilation issue. They fixed it and boom car ran like a top and made the power it should.
Thread Starter
Staging Lane
Joined: Jan 2012
Posts: 64
Likes: 0
From: Southern Illinois
The car ran 124 mph in the quarter. Not an sts kit. Upp kit one turbo in each front fender. 80 lb injectors, 2nd fuel system and bbk shorties right to the up pipes. Should be a solid system I would think. Oh and down pipes into magnaflow bullets and dumped after that
oh damn a upp kit, well that throws my idea out the window. UPP's test car made 550+ i think on 8psi.
Using the standard turbos? Or did the finally upgrade to a different turbo/external gate?
Jay
Using the standard turbos? Or did the finally upgrade to a different turbo/external gate?
Jay
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Im not seeing the problem here. perhaps he has a cam that hates boost if it was a max n/a setup... we really dont have any details on his engine. 500 rwhp on 6psi is nothing abnormal.
What are the cam specs? That's the question. If he truly put down those numbers NA, then he's got a monster cam in there. If that's the case, then I wouldn't expect much more horsepower on 6 or so psi.
Thread Starter
Staging Lane
Joined: Jan 2012
Posts: 64
Likes: 0
From: Southern Illinois
Hate to tell you this guys but I have no idea whats in the engine. Bought it used from a dealer and thought it was stock until I got there. but it's a fairly rough idle and shake in the car.
