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FJR Motorcycle Forums
Technical & Mechanical Problems
stripped drain bolt
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<blockquote data-quote="v65" data-source="post: 215043" data-attributes="member: 1773"><p>I would say no if you used a torque wrench. Torque is used to indicate the amount the bolt has stretched. I say indicate because it is not 100% accurate, I can't find the source, but IIRC torque wrenches are about 80% accurate, the armstrong method about 50%. The accuracy depends on the condition of the threads, lubrication, manufacturing tolerances, etc. However, at 31ft/lbs the washer would have been crushed a long time ago and you will be stretching the bolt just as if there was no washer there. I suppose you might get some extra (miniscule) amount of crush, but my guess is that washer was done 15ft/lbs or more ago.</p></blockquote><p></p>
[QUOTE="v65, post: 215043, member: 1773"] I would say no if you used a torque wrench. Torque is used to indicate the amount the bolt has stretched. I say indicate because it is not 100% accurate, I can't find the source, but IIRC torque wrenches are about 80% accurate, the armstrong method about 50%. The accuracy depends on the condition of the threads, lubrication, manufacturing tolerances, etc. However, at 31ft/lbs the washer would have been crushed a long time ago and you will be stretching the bolt just as if there was no washer there. I suppose you might get some extra (miniscule) amount of crush, but my guess is that washer was done 15ft/lbs or more ago. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
stripped drain bolt
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