Thread: 350 spits fire when static timed

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Denny touches on it and I have the same inkling.. when cold, it runs well, when temp comes up it backfires.. I'd say check the valve adjustment. It "feels" like the valves are being kept open when the system gets hot.

Also, the Accel dizzy, I wouldn't trust any part of it. They've earned their reputation.. it ain't a good one.
Once upon a time, back in the 60's, you couldn't win without them.. but now?? Don't trust - verify!

Originally Posted by 34_40

Denny touches on it and I have the same inkling.. when cold, it runs well, when temp comes up it backfires.. I'd say check the valve adjustment. It "feels" like the valves are being kept open when the system gets hot.

Also, the Accel dizzy, I wouldn't trust any part of it. They've earned their reputation.. it ain't a good one.
Once upon a time, back in the 60's, you couldn't win without them.. but now?? Don't trust - verify!

I'd adjust the valves following proper guidelines, but you might also do a compression check cold, then warm it up and do another compression check. It might be telling.... And I agree on the Accel distributor - the line has become a poster child for problems.

Welcome to CHR too, BTW.