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Re: 5.4L 3 valve spark plugs
Posted to Technical Discussion Forum on 10/17/2011 7 Replies

Dean

Still wining about that heater core:)

I use MotorCraft only, have never used the Champions, I have not had to remove the updated plugs yet, so how they hold up IDK :)

I am betting alot of the issues with the Champions misfiring is due to not replaci... Login to read more.

7 Replies Received (View Replies)