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Old 05-23-2015, 01:44 PM   #21
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Join Date: May 2010
Location: Windy City
Posts: 2,887
Default Re: shimming engine bearings

If you are doing this with the engine in place did you use a jack to exert upward pressure at each individual bearing when taking your plastigauge measurements? That crank can flex a few thou and give some strange readings if you do not forcibly push it up against the block babbitt while measuring from 'down under'.
Mechanical engineering 101: If you put an adjustment knob, screw, bolt, or tolerance specs on something, some people will immediately fiddle with it. If you mark it DO NOT TOUCH everyone will mess with it.
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