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Old 07-24-2007, 10:11 PM   #1
70heavyhalf
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Join Date: Jul 2006
Location: CA
Posts: 69
Harmonic Balancer Rubbing Timing Cover

I noticed the Harmonic Balancer/pully on my 250 inline 6 was extremely close to the timing cover. Upon removal of the balancer, deep groves were cut in the cover, and one large crack. Any ideas as to why this would happen, except for someone installing it too close to the cover. Or maybe the thrust bearing is worn out and allowing the crank to walk a little.
Thanks
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70' 1/2 ton 2wd 350/muncie m-20/12-bolt rearend

Darin
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