Correct Spark Plug Gap
May 27th, 2008, 10:44 PM
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Correct Spark Plug Gap
I have a 1971 Impala Convertible with 350 motor, new Edelbrock Performer 600 cfm carb w/electric choke andEdelbrock Intake. I just converted to the Accel HEI distributor.My question is, what are the best spark plugs to use and correct gap? I have been using AC Delco plugs. The spec calls for 0.035 but since Ive upgraded Im thinking it should be more like 0.040-0.045 for my gap? Need a little input. Should be an easy one! 
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cbennett51@cox.net
Tahoe & Suburban
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February 11th, 2011 12:10 AM
