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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 Hutson
Old 05-26-2005, 06:30 AM
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