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I’ll pull the distributor and check for play at the gear. This engine only had 40k miles on it, so don’t expect a worn out shaft. All new washers and fittings at the oil leak and wasn’t all that tight. Gave it 1/8 turn, so expect that to help.
I did try holding a large screw driver on several places with my ear on the other. It was damn loud every where!
I’ve already checked/adjusted valves after run in and didn’t notice any valve train issues. Since the engine is halfway out, I’ll pull the covers back off and inspect again. Not sure how I would spot a bent valve? Let me know how. It’s a low compression 930 engine, for some reason I didn’t think it was an interference engine. Kind of hoping it is a loose rocker at this point-heard of them coming loose before.
I have a borescope for my phone and checked back behind the timing chains to ensure they weren’t rubbing on the housings.
Pop off valve? Don’t think I have one.
Hope to do some work on it tomorrow. Appreciate the ideas. Keep’em coming.
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