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HawgRyder HawgRyder is offline
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Join Date: Feb 2002
Location: Langley, BC Canada
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When I see wear like this it usually means the fillet radius of the crank did not match the radius or bevel on the edge of the bearing.
Whenever I assemble a high performance engine, I cut the edges of the bearing shells to give a little more clearance in this area.
If the crank had a very defined edge where the bearing surface meets the counterweight, it would develop cracks at that point.
The radius ground into the crank prevents the crack from starting (hopefully).
Bob
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Bob Hutson
Old 05-26-2005, 05:30 AM
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