Dec 29, 2011 ... I recently put together a sbc, in which I am having a problem with the engine wanting to back fire through the carb right before it starts.

We are trying to get our 58 running and it will crank over but wont fire, it just backfires through carburetor. Its the fhead 4 banger any help is ...

Nov 15, 2011 ... A few potential causes for this. Timing: as the engine speed increases the amount of advance needs to increase as well to allow sufficient time for ...

I am experiencing backfiring through the carburetor on a recently re-assembled 1972 FJ40 with stock F engine. Any suggestions on what to try ...

Aug 21, 2011 ... For an engine to backfire through the intake, the intake valve must be open at the time the air/fuel mixture ignites. You have gone to great ...

Mar 28, 2004 ... MC2100 304. When I give it a sharp snap to the throttle off idle (while in neutral) it coughs fire out the carb. I advanced the timing to 10* and it ...

Jul 1, 2009 ... This motor is in a 1979 nova and ran well before.Now when trying to start it backfires through the carb something terrible.Have tried readjusting ...

Feb 13, 2010 ... when i stomp the gas for a second the motor will hesitate and sometimes it will backfire through the carb. and i mean backfire with fire coming out ...

Jul 12, 2016 ... Idles ok, backfires through the carb with light throttle. ... Decel popping causes no harm at all to the engine, but a modded exhaust will cause the ...

The backfiring through the carburetor (the coughing or spitting), on the other hand, frequently happens in the morning when the carb's air/fuel mixture is too thin.