hi i just bought a 95 5.0 and guy says has e303 cam and 1.8 roller rockers. new distributor that needs set with a light. what should the timing be on this. car has headers, and full exhaust with flowmasters, no cats aftermarket o2 sensors.
i checked it and was on 10 (no spout) so put on 12 and it pings when around 4000 rpm on premium gas? i removed smog control and may remove egr valve all the lines are dry and broken so i just hooked egr back up not smog. will this help or hurt? also car has long tube headers 3 " exhaust to flows no cats, stock o2 , and 2.5 " from flows to back.