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FED 387 · 01-14-2009, 06:57 PM

on AR3933 plugs leave the gap alone --run em as they come from the factory just check to make sure that the gap did not close up ratteling around in the boxes---Comp 387

01-14-2009, 06:57 PM	#5
FED 387 VIP Member Join Date: Jun 2006 Posts: 3,420 Likes: 529 Liked 333 Times in 180 Posts	Re: Spark Plug Indexing on AR3933 plugs leave the gap alone --run em as they come from the factory just check to make sure that the gap did not close up ratteling around in the boxes---Comp 387