Quote:
Originally Posted by apexit4
A mechanics stethoscope will help narrow down the location of a sound that sounds like a bearing issue. The only sure fire way to check is to drop the oil pan visually inspect the bearings.
If the bearing has failed, the sound it makes usually wouldn't go away, especially after the engine warms up (colder and thicker oil might mask some sounds a bad bearing is making). In my case, the only time I knew something was up was the sound the engine made at 3k rpm. It was a sound that was definitely off and different even for a diesel. That's also a reason why it was caught so late, I'm rarely outside of the car listening to the engine at that 3k rpm. It sounded fine when idling though.
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Are you still parting out your old motor? I might be working on a motor soon that was hydro locked and has bent a rod among other things...