That usually means it's lean. Check all vacuum lines and gaskets for leaks.
It's lean. You have to figure out why.
That usually means the engine is lean. Could be a vacuum leak.
It's lean.
It's lean.
It's lean. Could be something plugged in the carb.
Backfiring is usually an indication of a lean condition. When it does it during cranking, it's probably timing related.
Start and run, no. Cough, backfire, yes.
sticky valves. marvel mystery oil in the intake thru a vacuum line while engine is running. it will smoke out the exhaust for a minute and the neighbors will be mad but oh well
A 350 Chevy engine can backfire on acceleration due to several factors, including an incorrect air-fuel mixture, typically too lean, which can cause combustion issues. Timing problems, such as incorrect ignition timing or a malfunctioning distributor, may also lead to backfiring. Additionally, issues with the intake or exhaust system, like vacuum leaks or a clogged exhaust, can contribute to this problem. Regular maintenance and proper tuning can help prevent backfiring.
Timing needs adjustment. or its runing too rich on fuel.
It sounds like some sort of lean condition. Perhaps a vacuum leak? Plugged fuel filter?
clogged cat