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Power Strokes
7.3 Tech
Rod/Main bearing questions
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[QUOTE="KBMKVIII, post: 1544240, member: 5718"] Well I am pretty sure I know what happened now. Talking with my machinist he said it is definitely lack of lubrication. The worst of the bearings were the mains of 3-4. This is exactly where I tapped the oil galley in the block for a second feed for my twin 17* pumps. It will not be reinstalled the same way. Going to draw from the oil filter housing instead. Funny a few years back I was told by some others doing the same, it was the best place. Well they are definitely wrong. If you need a secondary feed for big oil make sure it’s on the oil filter housing where the plug is, not the oil galley. Lesson learned. Crank miced near perfect and is getting a very light polish. [/QUOTE]
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