Best explanation I've seen so far for Hemi cam/lifter failures

408 swinger said

The bearing tolerance is quite tight. You might sacrifice a bearing with thick oil.

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it seems like the thick oil is the problem, the 0 5 or 10 is the cold weight when there is buku oil pressure, when the oil heats and gets to 30 or 40, the idle oil pressure drops to 15-20.