Thread: rod shim issue
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Old 01-05-2017, 12:59 PM   #9
redmodelt
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Join Date: May 2010
Location: Portland OR
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Default Re: rod shim issue

.0015 to .002 is correct for rods and mains. The journals are all the same size +/- any grinding that has been done.
I do not use plasigauge to check I find it embeds in the babbitt and does not spread correctly most of the time and if you do use it, it needs to have oil on the journal and bearing not dry. I use the aluminum foil method and only taking one shim off one side at a time till the rod just does not want to turn. Depending on the thickness of your foil, I fold a 1" square about to 2 to 3 thickness's thick.
Ok the engine was built in '09, was that a full rebuild or just freshen up? If it was a full rebuild (new babbitt etc) I don't know that I would be worried about out of round journals at this point given the mileage.
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