> Randall, that raises an interesting question...well, to me anyway. Are we
> using the same composite of bearings now as were used when the books were
> written?
No, the bearing inserts available now are generally considered to be
inferior to the original ones.
> Reason I ask, the bearings I remember rebuilding
> engines with (20
> years ago) had a sort of soft babbit composition.
Most likely "tri-metal" : steel core, then copper, then a thin surface layer
of soft babbitt.
> The Glacier's
> I recently
> got from BFE look scarily hard. Is the 30,000 mile bearing change as
> important now?
I honestly don't know. I suspect this is one of those hideously complex
questions that boils down to "it depends".
Randall
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