I had not heard that word on the street. It sounds like another theory with a little bit of data to support it I guess.We actually know quite a bit about the cause, If you read through all the reports it's pretty obvious. The plant will have received several cores by now, and failure analysis is done. Not a running problem/lean out/timing induced detonation for sure...we can rule that out at this point, due to the fact that @International_George had his fail on shutdown, and pics posted in one of the other threads I can't seem to find right now. Improper heat treat is the "word on the street", and that theory still holds water at this point. I'm still hoping a few dealerships will tell whether it was intake/exhaust or both
Though it doesn't make sense how that could affect builds over 4-5 months, unless all of these are gonna fail, and soon.
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