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Old 03-01-2016, 08:45 AM   #9
Stingr69
'69 Owned Since '79
 
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Drives: '69 Z/28 LeMans Blue w/White
Join Date: Oct 2008
Location: LR AR
Posts: 1,848
Get an inexpensive beam type torque wrench and replace them according to the book. Never reuse the fasteners as they are torque-to-yield and are only good once. Never let the dealership touch the driveshaft bolts. They should not be "re-tightened" in service. If they are loose, the have failed.
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