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Old 01-20-2012, 06:12 PM
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70 chevelle, olds rear, posi sometimes

Hey, I bought a 70 chevelle with an olds posi rearend. I believe its 10 bolt and it use to have posi until the former owner blew it. Now it has posi at low rpm. For example; I can pull out of a my driveway and go sideways, and when I go to put it away, I can spin both tires in the dirt as I try clear the cement hump into the garage. However, when I try to burn out with it, only 1 tire will spin? The person who sold it to me said his son put a "chuck" in it after he blew the posi. Thats all the information I know.

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Old 01-20-2012, 06:26 PM
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you will just have to pop it open and see whats there

if it is posi, it sounds like it needs rebuilt

if it is not posi, it still may need rebuilt,

sometimes the worn parts will make act like a posi sometimes
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