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Old 3 Days Ago   #12
Subfixer
 
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Join Date: Sep 2018
Location: Groton, CT
Posts: 399
Default Re: Dreaded Upper Cam Chain Guide Failure

Since this seems to be related to the chain tensioning system, could the problem be low oil pressure or blocked oil passages?
I removed the cam covers from 90 #116, which was flooded, abused and overheated but the guides were untouched.

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Last edited by Subfixer; 3 Days Ago at 07:35 PM.
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