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Old 04-20-2014, 02:21 PM   #54
WVhillbilly
Beastly Adventurer
 
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Joined: Oct 2010
Oddometer: 9,783
Mine lost one in 218K miles.
It's nothing I'd lose sleep over and the fix is a Heli-coil.

A co worker's popped 3 plugs in 260K miles.
The 5.4L is a little underpowered compared to a 2014 engine, but things have moved along quite a bit in the last few years in the HP department.
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