Posted by DickL on June 28, 2008 at 06:23:44 from (76.76.33.112):
In Reply to: Re: Sorry Back posted by Lanse on June 28, 2008 at 05:18:14:
The shims on both sides (must be the same thickness) or you will not only have a pinching condition but it puts the center of the bearing off center. I bought a 1923 Chevy from a guy that had the engine rebuilt in a restoration shop. When he got the engine back his farther inlaw who was a auto mechanic, wanted to check the work so they pulled the pan and removed the rod caps. (poured babbitt bearings) The fellow put it back together later. When I bought it he said he didn't understand why after he reassembled it the engine was locked up. After I got it home I pulled the pan and dropped the rod caps and found that the shims had been put back in with more on one side than the other. Checking with plastigage I found that each rod had the correct shims and when they were put back with the same thickness on both sides the engine was no longer locked up. Never torque one bolt all the way before tightening the other. I always bring both to 20 pounds and the take them both to torque in three or four steps. A good job always takes time. More time than you will expect even after you have done many. Used engines seem never to be the same even though they look the same to the eye.
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