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Re: Mechanic help...
[Re: Sparky]
#1329138
04/16/15 09:30 AM
04/16/15 09:30 AM
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Joined: Sep 2006
Posts: 2,685
West Florida
westflgator
10 point
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10 point
Joined: Sep 2006
Posts: 2,685
West Florida
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You need the Motorcraft plugs. These trucks don't like anything different. Check out the many F-150 forums and I think you'll see that most people that try the Champion plugs in the 5.4L end up having issues. I put the Motorcraft in my 07 5.4L and didn't have any issues at all. x2 The heat range on the plugs are critical to operating properly in these Triton engines. Go back with the Motorcraft plugs.
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