Gold Lifetime Member
Join Date: Jan 2005
Location: 2 Dog Town in West Texas
Re: Autolite ar3933 gap????
I don't think the plug is carboning up due to gap setting. You may have an over rich condition or oil going past rings or valves, causing carbon to stay hot, causes hot spots and preignition. Too much quench does not help, too much timing initial or total .. Need to find out what you have . If you can get by with a cold plug to prevent detonation, then do it but I dont think thats all of your problem.
What is your quench, Compression? Timing? Fuel? Heads?
TC # 349
Zdld17:69 Z/RS,306, NOR141111, 9N554XXX, 12A, X3G, 59/59,723, AFR 195,CCC282/290HR, TKO 600, BU1122B1E Owner since Dec 1968
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