My 331 , AOD, with Holley 670 bucks and shakes violently when I shut it down in neutral. Idle rpm in gear is 700, 900 in neutral. Does not kick back in gear shut down.
Crane optical dizz with Crane Hi 6 ignition box.
14 initial and 38 total timing.
Any suggest on how to stop this?
Running-on is when the engine continues to turn after you've switched off the ignition because the fuel /air mixture is being ignited by a hot-spot in the combustion chamber . Furthermore, because the mixture is often firing at the wrong point in the cycle , the engine does not run...
Brainstorming - vacuum leaks, ignition problem, carb idle screws and floats not set right, Holley power valve not a 6.5” or blown out, evil possession…?