Quote:
Originally Posted by stownsen914
I, for one, will not be using Glyco bearings in my upcoming rebuild. But I do have a question about the measurements that onevoice did above on rod bearings that were installed. Could a contributing factor to the large various noted in bearing thickness have been the very fact that they were installed? I understand that bearings squish a little when installed and everything is torqued down. It seems reasonable that this may result in a some distortion on the ends of the bearing shells where they touch when installed (and where it appears onevoice measured) ... I am speculating here, and have no idea how much if any distortion is to be expected due to squishing.
Scott
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Plain bearings like rod and main bearings are meant to have an interference fit into the rod or crankcase journal. It makes sense logically that there would have to be some distortion from installation, but I have measured used bearings from other engines and never been able to measure such distortion. I would therefore assume that any distortion from installation, if actually present, is smaller than the capabilities of my measuring tools.
The variation I measured was HUGE, and didn't even allow the rods to spin on the crank.
That said, I have seen all manner of parts with problems when building engines.
MEASURE AND CHECK EVERYTHING.