Car won't make power, stumped
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Hi guys,
Hoping I can get some insight here. 2G GSX with an Evo 8 ecu. 9653 tephra with SD. I can't get the car to make any decent power, It is a little rich, but I am making under 200whp on an FP Green at 20 lbs. I have tried everything, we went from stock ECU to Evo Ecu to try and fix the problem. But it still prevails. Latest idea was timing pull, but logs show nothing. Heres whats on the car: New FP GREEN New FP manifold New AFPR New FIC 1120 injectors New rewired 255 New intake New 3 Inch intercooler Evo 8 ecu on SD Came with: .20mm oversized pistons Stock everything else. I have checked compression: 150 147 147 140. I have tuned my own evo on SD, I will not attest to being good at it, but I have made decent power. This car just seems like it's being held back. Log attached of a couple small pulls There is no wideband on the log, but it generally runs rich (11.5) at spool up and (10.5) at WOT. I haven't been too concerned with how rich it is as leaning out WOT seems to do nothing. Any ideas? Please? I'm out. |
Piston comp sounds a little low, it should be around 162, unless you have installed low comp pistons.
Check for boost leaks. It might be a timing issue, check your timing belt, the belt might have skipped a tooth. Check actual timing with an ignition light gun vs logged timing. |
Originally Posted by foxbat
(Post 11806399)
Piston comp sounds a little low, it should be around 162, unless you have installed low comp pistons.
Check for boost leaks. It might be a timing issue, check your timing belt, the belt might have skipped a tooth. Check actual timing with an ignition light gun vs logged timing. Got 292whp on 18lbs, so I believe this is the right track. |
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