Sunday, March 24th, 2013 AT 10:57 PM
I have replaced the entire gasket group for the top of the engine. Its a 5.7 holley performance engine. All new spark plugs. Spark plug wires. New distributor cap with built in ingnition coil and new rotar button. It has a holley 600 cfm carb 4 barrel I have re timed this engine 3 times but still it backfires thru the carb. Any words of advice?