newbie needs help
#1
newbie needs help
hello guys,new to this, hope you can help me,tuning problem with a 403 cannot get it to completely stop pigning detonating:1978 403 block bored .030,probe pistons,cam extreme energy 268h-10:268-280,224-230 at .050,485-490,heads 350 big valves ported cfm 217-167,compression 10.2,performer rpm,quadrajet stage 2,proform HEI,compression test 150 to 160 ,running 91oct pump gas, tryed a lot of things ,timing at 25 total with slow curve,
#4
Thread
Thread Starter
Forum
Replies
Last Post
64starfireme
Eighty-Eight
12
April 11th, 2009 06:40 AM