I have the Stillen G3 intakes, CNT Res TP, Injen CBE, Stillen LW pulleys, Uprev tune, Z1 Plenum, Stillen grounding kit, Rods, Wiseco Pistons. The last 2 dont add any power and ive had for 60k miles. I have a stillen 25 row oil cooler to keep the engine cool and I have a Seibon BD hood to release all the heat. I can see the heat escape from the engine when I am stopped. Ive done everything to keep heat away. I had no problems with the first time I had my car tuned but when I went and got the Z1 plenum and retuned I started with the issues. I went back and got another dyno tune because the car had these issues. This helped for a while but then 3 weeks ago the car started acting up again. It might be a tune issue but Im not sure why the car would drive fine for 2 months before acting up again.
3 things that come to mind of whats going on...
1. Low compression, if so that sucks...I need to test
2. When the Plenum was done something was not done right with the Throttle Bodies or not put on tightly IE hoses.
3. The tune is too aggressive and it pulls the timing.
Well thats what is in my mind at least.
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