Quote:
Originally Posted by SCHRUMGMC
It moves around when I start the truck up to the retarded timing area and it pops through the carb . I don't have a new Vacuum advance
|
Sounds like the timing is off or intake valves not completely sealing (timing off) if it backfiring(popping?) through the carberator. Have you put a timing light on it to check the timing setting or are you doing it by ear? Makes a big difference in running with the timing set correctly.