66 Stumbling update - Lessons learned - NCRS Discussion Boards

66 Stumbling update - Lessons learned

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  • Gary S.
    Extremely Frequent Poster
    • July 31, 1992
    • 1632

    66 Stumbling update - Lessons learned

    To all who gave me advice on my 66 SB that was stumbling at highway speed, THANK YOU. The final culprit was indeed the new points that I installed and managed to contaminate with the excess grease in the distributor.

    Here are the lessons learned: 1. LIGHTLY grease the point lobes on the dist. and then, after you have spun the dist. by hand, wipe off the excess. Greasy points will fire anytime and anywhere they like. 2. When you rebuild a carb, trying to eliminate fuel as the culprit, pre-set the floats according the directions in the Holley rebuild kit. I eyeballed mine and after I got 5 miles from the house and the engine wouldn't idle at a light without dying. I rechecked the floats and the rear one was so high that fuel was spilling out into the rear two barrels and floading the carb at idle. 3. When you get ready to install the spark plugs that others have recommended as very suitable for your car, CALL around to find them first. I still have not found the AC 44's or 45's. All that is available or those with the R prefix, although they will work. Gary 21316
  • Bill Clupper

    #2
    Re: 66 Stumbling update - Lessons learned

    Old car swap meets are my usual source of AC 45 & 46 heat ranges. For non-show engines with flattops, I like Champion J12-y from the same source

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