I have not heard of this being an issue on the V-10s but the 5.4 V-8s had this happen regularly. I would not use a helicoil. There are repair kits available that are much better than the helicoil in this application. The aluminum heads just are not very thick in the spark plug area. So they make a larger Steel insert that goes in the strip plug hole. and then you peen it in.
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Today's Featured Article - The Day Mom Drove the 8N - by Brian Browning. My Dad was wanting to put in a garden but couldn't operate the 8N and handle the old horse drawn plow he had found and rigged up to use with the tractor. Well, he decided to go get Mom out of the house and have her drive the tractor while he walked behind the plow. You got to understand that while my Mom is a hard worker who will always help whenever she can... she had never operated farm machinery before that day. Dad got her out there, explained how the clutch was the same as in our o
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