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Old 06-30-2017, 07:52 PM   #91
SoWhat
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City: Boston
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I would not accept just a head replacement. All the major wear items are in the block.

A borescope exam is not useful for determining wear. It would have to be very close to the cylinder wall to detect glazing or polishing and they don't bend that much unless you have a large access hole. The only sure way is to pull the engine, drop the oil pan, disassemble the rods, and measure. It is safe to assume significant wear resulted from running diluted oil.

It sounds as though they are trying to resolve it so things are going in the right direction.
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