Spark plug gap?? March bracket on a 351M??
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New User
Joined: Sep 2007
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Spark plug gap?? March bracket on a 351M??
I'am switching over to a HEI system by Mallory and was just wondering what kind of spark plug gap I should have. Right now I'm getting some spark knock at low RPM's. I heard I should gap them at about .040". Any ideas? --- Does anyone know if the Brackets that March sells for the 351C will work on a 351M??
Elder User
Joined: Feb 2000
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From: Temperance,MI
They should have had it in the paper work if you were supose to change the gap, stock I believe is .042-.046.
As for serpentine set up don't waste your money on march, check out my gallery I just completed my serpentine set up with very little cost, belt, smog pump eliminator bracket, couple pulleys and some drilling.
Curtis
As for serpentine set up don't waste your money on march, check out my gallery I just completed my serpentine set up with very little cost, belt, smog pump eliminator bracket, couple pulleys and some drilling.
Curtis
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