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| These are the OEM spark plugs pulled form the 4.7L. The plugs were installed at the factory with no anti-seize compond. When I heard this I pulled the plugs and replaced them with Autolite plugs # 3923(with anti-seize compound). Only 2350 miles on this set of plugs. The motor now has a nice idle and runs smoother. Thanks to the gang at DML for this tip! ;) | |||||||||
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