Ford Triton V-10 Spark plugs

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I had one blow out recently. Heli-coil makes an insert. Takes very little time to repair. And in theory the insert is a permanent fix.
 
They don’t actually break. If I understand it correctly Ford did not design the V10 and 5.4 heads with enough thread engagement and over time they loosen up and wiggle around until the threads are gone . Then they shoot out of the hole leaving behind a smooth bore hole and a dent in the hood. Lol
Yep,
My brother-in-law had about 3 of em do that. I told him of the backwards acronym for Ford......Driver Returns On Foot LOL
 
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