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Old 03-31-2012, 09:07 AM   #11
pat in Santa Cruz
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Join Date: May 2010
Location: santa cruz, calif
Posts: 2,011
Default Re: Oil seepage between head and engine block

what is the theory regarding not loosening the nut prior to a re torque?

Ever since Larry Brumfield suggested loosening it first, I have done that with 100% successful results. When you do not loosen first, you are only measuring the force required to break the static torque, which is more a result of rusting threads and surface tension than it is of the stretch in the stud.
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