Pap's Pull AFPA 5-16-10 Test & Tune
#11
#12
#16
I was told that a 5xxhp 12 valve is >= a 8xxhp cr on the track. My truck made 585 rwhp at a dyno day, a cr that I pulled against made 70x hp on that same dyno and I have put 20 ft on him at the track.