Shiny,
Agree, they wouldn’t have stopped, track in the block, reset the dimensions for the cutter, then took it back apart on the line.
You could see the original machining marks on the bore, and they looked exactly the same on #4. There the engine had never been apart so my only speculation is it was repaired during assembly not block machining.
Be curious if anyone on this site work at the engine plant?
Stan
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