Quote:
Originally Posted by jayman87
something about how they were made.
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the clearance between the case bearings and the crank itself need to be very precise and you would need to plastigauge the current case/bearings/crank combination in order to know what size bearings to put in to be within the cranks clearance limits. if you don't do this the crank just eats through the bearings and you wind up with thrown crank bearings.