Main bearing wear?
I’m starting the tear down on the 455 I bought last year, the motor was rebuilt at some point and then stored for a few years before I got it. My goal is to freshen up the short block with new rings and bearings then replace the cam, chain, etc. and run it with a fresh set of heads as a temporary fix while I (eventually) send out the numbers matching motor.
I pulled the first three main caps to inspect and get a better idea of what’s going on internally. The bearings are Clevite .010’s and have some wear that looks a little odd to me. Either way they’ll be replaced and so far the crank looks perfect so I’m just trying to better understand what I’m looking at.
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1972 GTO
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