Has the OP even measured the journals against a "known good" cam yet to determine if the cam is an un- finished cam? He had a cam in the block already that turned smooth so why do so many people think the block or the bearings are at fault ? All we need to do is whip out even a cheap HF digital caliper and check it out shruggy
Have seen more than one cam with wrong size journals twocents

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64 Plymouth Savoy
493 Indy EZ's by Nick at Compu-Flow
5-Speed Richmond faceplate Liberty box
Dana 60