The Ford Barn - View Single Post - Is there Difference between Champion 3X Spark plugs

Tom Wesenberg · 05-22-2013, 07:31 AM

The diamond knurling pattern stands OUT on original plugs and they go IN on the repro 3X, plus the knurling doesn't run all the way down on the modern 3X.

05-22-2013, 07:31 AM	#5
Tom Wesenberg Senior Member Join Date: May 2010 Location: Mpls, MN Posts: 27,582	Re: Is there Difference between Champion 3X Spark plugs The diamond knurling pattern stands OUT on original plugs and they go IN on the repro 3X, plus the knurling doesn't run all the way down on the modern 3X.