Re: More crank bearings

Posted by CNKS on January 12, 2005 at 12:31:40 from (204.249.178.138):

In Reply to: Re: More crank bearings posted by Aces on January 12, 2005 at 08:31:41:

I don't know where the "oversize" came in as I didn't intend to mention it. Except, I was asking that if I could determine wear by plastigage with the old bearings on the crank; a few said no, I asked why not, that I couldn't see how there could be MORE clearance with new bearings (of the same size, that's what I meant anyway), and if the old ones were slightly worn, the new ones would then take care of the problem PROVIDED the crank was ok. You just indicated I could check the old bearings, which I have already done. The rod bearings are ok, at least two crank bearings are borderline. Doing it dry -- the oil film between the bearing and crank keeps it lubricated, centering the journal between the bearing halves. Perhaps the plastigage scale on the wrapper takes that into account, and with no oil the 0.003 (or whatever)dry measurement with the crank bottomed on the part of the bearing on the rod, is actually 0.0015, with the oil there? That's what I was asking. Anyway, the crank is going to the shop--Thanks!

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