Hi all,
I have a 2005 GP that was a base model that I put in the L32. I have a overkill pcm,SLP cat back,Wizaird,MSD,GEN V,AL 104's,ZZP Shift kit,3.5,Powerlog. I am getting a ton of KR around 4500 rpm's. The car seems to stop gaining rpm's at that point and I can hear what sounds to be the...