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Old 09-09-2020, 06:08 AM
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Only wild card that blows out a lot of guesses is the closed up sparkplug gap. We can come up with some cool scenarios, but the closed gap still says something was floating around those three cylinders and not a bottom end seizure -- but mild since the borescope didn't find any massive trashing.
Most closed gaps on plugs I've seen (more than one plug) is from rod bearings spun that let the piston hit the plugs. But is usually accompanied by noise. The no noise thing is what is strange.

Weren't 4 wheeling were you? I've seen a chuck of wood get stuck between the damper and the oil pan. Locked it up quick. But also noticeable.



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