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Old 03-12-2019, 09:38 AM   #5
johnneilson
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Join Date: Jun 2010
Location: 34.22 N 118.36 W
Posts: 350
Default Re: Against compression

Railcar,

You have hit on a subject that many do not realise.
Even the driving habits can affect the life of the high mileage motor, thus unbalancing the wear.
How many times have you heard a valve job done on a high-mileage motor only to have the bottom of the motor fail in a short time?

I'll bet that old motor once rebuilt will last a long time if machined straight and true.

J
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