If you just switched over to main studs without at least getting the main bore checked with a precision ground round checking rod or if not Aline honed then that’s why number 5 could be doing what your seeing.
Main studs pull on the blocks main Webb in a different way then do bolts!
Before you order up different bearings and if you still have the old rear main bolts, then I would install them and torque them up and see what might change with your bearing clearance.
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I do stuff for reasons.
Last edited by 25stevem; 09-03-2022 at 07:41 AM.
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