Needing help with my tune, 5.3 with ss3 cam an 421 heads with duel .660 springs 1;1 fpr at 43.5 with deka 80s 3 bar os 4l60e with circle d 3600 converter 3.73 gears,
Problems I'm having feels low on power and my Raf is way lower now recently did head gaskets cracks or imperfections on heads, block looked good no vac leaks or exhaust leaks, drives great a\f is within .16 give or take either way to target. Attachment 145691Attachment 145693