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31 GP connecting rod bearing torque needed!!!

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GARY

05-28-2003 19:38:40

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Need to know the torque on the connecting rod bolts on a 31 GP, Thanks

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Duane Larson

05-28-2003 20:00:32

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Re: 31 GP connecting rod bearing torque needed!!! in reply to GARY, 05-28-2003 19:38:40

Gary,
The GP used the same connecting rod bolts as the early D, AD102R. JD Field Service Bulletin 163S, August 15, 1949 gives 90 ft-lb for the connecting rod bolts on a D, with the comment to tighten to given torque, then tighten further as necessary to insert cotter pin.

Torque wrenches came into common use during WWII, and the above reference is the first JD reference I am aware of where they provide torque values. The GP was too old, so no values are given for any bolts on it.

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GARY

05-29-2003 20:56:43

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Re: Re: 31 GP connecting rod bearing torque needed in reply to Duane Larson, 05-28-2003 20:00:32

Thanks, Duane

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