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RE: 390 Crank

By Dale Cecil - 10/25/2003 12:39:18 AM; IP 67.41.79.90

Giacamo,
I think I may have figured out the problem with your help. That plug I found in the engine may have been part of the crank balancing material. It does fit in the hole in the rear counter weight. So, when it came out, the crank became unbalanced and therefore started to put stress in other areas of the crank causing bearing stress and tolerances to change. I am going to go with this theory unless someone here with more experience and knowledge changes my mind. I am going to finish disassembling the engine and take the crank to the machine shop and have it balanced. I'll bet they find it out of specs.

Dale

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390 Crank -- Dale Cecil, 10/23/2003

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RE: 390 Crank -- Zack, 10/23/2003

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RE: 390 Crank -- Dale Cecil, 10/23/2003

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RE: 390 Crank -- davell, 10/24/2003

RE: 390 Crank -- Steve, 10/26/2003

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RE: 390 Crank -- giacamo, 10/24/2003

RE: 390 Crank -- Dale Cecil, 10/25/2003