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Old 11-27-2016, 08:03 PM   #51
LockDoc
The Older Generation


 
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Join Date: Aug 2006
Location: Montezuma, Iowa
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Re: Rear Axle Ratio Charts For 1967 - 1972 GM Trucks

Quote:
Originally Posted by garyd1961 View Post
Thanks for posting this but I have a question. My axle code is TDE which just shows 3.07 gears. I thought my rear TDE was posi traction. The rear is not in the truck but if I lock one axle and the yoke in place the other axle will not turn. I thought this meant posi traction.
Use a floor jack and lift both rear tires off the ground. Spin one tire. If both tires turn the same direction you have posi if one tire moves forward and one backward you have an open rear end.

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