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TR3driver
Great Pumpkin - R.I.P
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Totally improbable, IMO. That's a grotesque amount of wear for a crank journal, there would not have been anything left of the insert at all; and most likely the engine would have blown up long before that point.
Plus, crank journals do not wear evenly (especially when clearances are too large) so there is no way it could still be round.
A nice tight engine will rise somewhat above the relief pressure with cold oil, so I don't regard that as a problem. Also, bearings that are too tight show their discomfort in much more graphic ways (by overheating and welding to the crank). It was running fine, therefore the bearings were not too tight.
BTW, I wouldn't trust the original oil gauge to show the difference between 70 psi and 80 psi. Bourdon tube gauge movements lose accuracy as they age anyway; and mine moves by that much or more just tightening the line fitting.
Plus, crank journals do not wear evenly (especially when clearances are too large) so there is no way it could still be round.
A nice tight engine will rise somewhat above the relief pressure with cold oil, so I don't regard that as a problem. Also, bearings that are too tight show their discomfort in much more graphic ways (by overheating and welding to the crank). It was running fine, therefore the bearings were not too tight.
BTW, I wouldn't trust the original oil gauge to show the difference between 70 psi and 80 psi. Bourdon tube gauge movements lose accuracy as they age anyway; and mine moves by that much or more just tightening the line fitting.
