Quote:
Originally Posted by johnta1
Lack of color is from not firing because of the closed gap.
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I agree. And the plugs look like they have no impact damage at all. They look like they were dropped on the ground and installed with the gaps already closed or near closed. If they were hit by a foreign object, they would be torn up.
Agree with the others that the thrust looks suspect and it could be spun bearings. The crank stopping with the cam still moving would account for the chip in the cam gear. To me, that is an awful lot of cylinder scuffing for a new engine, IMO. When I did the heads on my '67 GTO after 75,000 miles, I didn't have that much wear or scuffing. (Sealed Power Forged pistons installed during a 1988 rebuild). Good luck....it doesn't look catastrophic, so hang in there.