Popping on Decel - UPDATE AND NEW PROBLEM
Nico:
I have done/added the following and now get popping on deceleration:
De-smog
K&N filter (with foam pre-filter)
Exhaust taken off for truck stack add on. re-installed with new crush gaskets
No re-jetting or pilot screw adjustments
Suggestions???
Nico
Jack:
Vacuum leak. Check remaining vacuum tubes.
Exhaust leak. Check exhaust bolts and gaskets again.
Ricky-D:
After doing all that it may be time to look at the carburetor synchronization. A little mild popping although an annoyance is not a sign of anything wrong or out specification. The exhaust modification is the primary culprit in that popping.
Garland:
I had the same problem, took a while to figure out one of the rubber plugs that I capped the carbs with was cracked and leaking.
bigvalkriefan:
Check the intake o rings.
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