Re: Lot's of popping and cracking on deceleration...
what is your vacume advance running on, ported or manifold? cause my truck used to pop and backfire when decelerating when i ran ported vacume advance, now that its on manifold it doesnt pop at all.
__________________
eh
1970 Chevy C20 daily driver 
1975 GMC Jimmy 4x4 project 
1966 GMC C10 Dad's project
|