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Author Topic:   what spark plugs
CUZZ45
Member
posted June 06, 2003 05:23 PM
I HAVE CHANGED FROM ALKY TO GAS ALSO FROM ALUM HEADS TO STEEL SO I CAN RUN MORE TRACKS AND I AM NOT SURE WHAT PLUGS TO RUN . I AM RUNNING DOME PISTONS AND DART HEADS 215cc intakes &2.05 valves& roller cam any suggestions? thanks


MOD75D
Member
posted June 07, 2003 12:08 AM
Try running some autolite AR13 plugs. Your local napa store should have them.


lucky13
Member
posted June 07, 2003 09:52 AM
ngk R5673-8 very good plug. should be close on heat range.


dirtywrench13
Member
posted July 06, 2003 08:23 AM
try the a-c's mentioned before. we use ngk#9's for double hump heads.


DMA Racing
Member
posted July 06, 2003 08:41 PM
AC 1 ask about them at your chevy dealer, i'm using ngk r5674-8. the AC1 is a racing plug


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