Hey,
I just dropped a 2.4l stroker ( from zzp) in place of my lsj. I have: stage 2 cams, 78# valve springs, stage 1 head, dual bypass plate, option b kit, Ottp heat exchanger, zzp 3" cai, vibrant 4-2-1 header and down pipe with no cat, GM performance touring cat back, 80# fuel...