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Rocket468 · 04-14-2005

You always want to run the largest gap plug you can with the spark still able to bridge the gap. If you start getting any misfires you should try taking .010 down on the plugs. And see if that smooths out the engine. I am just guessing but I would assume you will need to bring them down just a tad. Try about .045

04-14-2005	#2 (permalink)
Rocket468 DevilsOwn Staff Join Date: Apr 2005 Posts: 1,150	Re: Spark Plug Gap Questions You always want to run the largest gap plug you can with the spark still able to bridge the gap. If you start getting any misfires you should try taking .010 down on the plugs. And see if that smooths out the engine. I am just guessing but I would assume you will need to bring them down just a tad. Try about .045