Posted June 20, 200816 yr comment_251318 OK.Medium cam. Headers.Regular SUs.PCv valve brand new.No more air pump.Électronic igintion, but no electronic distributorBrand new set of pointsTiming at 9Under heavy acceleration at highway speed. I can hear the engine pinging slightly..I run 91 or 94 octane gas..What is my problem???:stupid: Link to comment https://www.classiczcars.com/forums/topic/28485-pinging-under-heavy-load/ Share on other sites More sharing options...
June 20, 200816 yr comment_251331 Retard your timing by 3 degrees and try it again. Link to comment https://www.classiczcars.com/forums/topic/28485-pinging-under-heavy-load/#findComment-251331 Share on other sites More sharing options...
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