I have 302 .040 over, dart II heads, comp cams hyd. flat Magnum cam 292 Ad. duration, 244 @ .050", .534 lift w/1.6 roller rockers, Mallory unilite distributor mechanical advance, 4.11 gears, C-4 Tranny.
Question: Ignition Timing will not stay set, I can set it take it for 15 mile drive, Timing...