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Bill Stoneberg

64 Riviera, something let go in the engine

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Any idea what lead to the immediate failure of the bearings?

I imagine it was crap (technical term) left in the engine when it was rebuilt. Dirt or dust left in the oil passages did me in.  The oil came out silver / grey when I drained it.  Had it checked by another machine shop and he wondered who fouled the engine up.

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I had my block hot tanked, and the guys who did it didnt clean out the gunk from the lifter galleys.  Had I not caught I would have ended up like you.  Hoping I didnt miss anything else, we're about a month out of cranking it up.

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I once had a shop do the top end on a Harley and it ran so hot that it turned the exhaust RED hot (timing & mixture were good). Upon tear down found gritty whitish/silver crap in everything; looked to be valve lapping compound (!?).

 

Steve

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