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Old 11-21-2012, 04:11 PM
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There sure are many different theories here. I was always taught that .035 gap for points ignition and bigger for Electronic. That was one of the advantages of HEI. I have always used a .040-.045 gap when using a HEI ignition, thus more spark, more burn time. Back in the day of smog motors we had gaps of .060 and even .080 with HEI and stock coils capable of 65,000 volts or more. Im just saying....
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