Hotter spark plug gap with HEI?
#1
Hotter spark plug gap with HEI?
My 1974 repair manual recommends a .035 spark plug gap for a 396 4bbl. This is of course with points ignition. I have heard of people opening up the gap once they went to HEI. I'm sure it couldnt hurt any but what gap should I set the plugs at? Nothing special performance wise with the motor.
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QUICKB4C
LT1/LT4 Tech
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06-15-2009 11:52 AM