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Old 12-10-2012, 07:59 AM
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Another thing to check,

The big end of the rods have a chamfer. The rod bearing is also offset away from this chamfer slightly. The chamfer always goes toward the 'fillet' of the crank. It could be a few of the pistons are installed backwards and the rods are binding because of this.

Put a GOOD straight edge on the crank webs in the block too.

V-block the crank and check run-out.

Mic each bearing and journal.. As mentioned, plasti-gauge..

Etc etc..
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