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Looks like overloading damage to me, like the babbit de-laminated from the shell, rather than melting from no oil. Could explain the non-damaged crank throws.



Curious on the bearings, did both the upper and the lower shells in the rods have the same damage? Or was it just the uppers?

87 Turbo Intercooled Raider, roller cam, torsen rear diff, LSD front diff, lockup auto with modified converter, V6 brakes, low transfer case gears...