Quote:
Originally Posted by curvedglass
Update:
things have been better. I have been able to get some power out of my third gear now and my last tank of fuel was over 18mpg.
New question ... re-gapping spark plugs.
When I added the carb and HEI I never changed the plug gap. Actually never thought of it. Friend told me I can't take full advantage of the HEI without re-gapping the plugs.
What should the gap be for HEI?
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.045-.055 pending on how hot the HEI is. For a stock GM HEI I would do .045.