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this weekend i am planing on changing the father inlaws plugs and wires in his 1999 f150 4.6l. what are the best plugs. i'm leaning toward ford oem plugs. what experiences have people had.
thanks...
Anymore I think you're better off using Motorcraft. I think you can search here on "spark plugs" and get lots of debate over the issue.
On TCCA with the Bull engines, it's pretty much a wide opinion that Motorcrafts do as well as any aftermarket plug (Champion, Bosch, etc.) and don't waste your money on multi-prong plugs like Splitfires.