[Mike Taylor 3601]

Have you had crank wet magged,cracked crank will flex and wipe mains out.
Wet magnaflux uses black light to see cracks.
I mag EVERY crank that comes through the shop,is figured in price of polishing or grinding,
you may mag a dozen and all be good and then next dozen have 6 or 8 cracked.
Mike Taylor 3601