8.2 or 8.5

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Old June 24th, 2011 | 10:25 AM
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300F's Avatar
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8.2 or 8.5

Help !!!!!!!!
Wath rear is in mine I have a 1971 442 with a 10 bolt axle without posi
but i dont no what kind of axle is in mine it is all original is it an 8.2 or an 8.5
so I can order an powertrax from Richmond
Thank you
Old June 24th, 2011 | 10:31 AM
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From: Melrose FL 32666
8.5 in '71
Old June 24th, 2011 | 10:46 AM
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You are sure
Can I use a powertrax from a 8.2 carrier in a 8.5 carrier
Old June 24th, 2011 | 10:47 AM
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both are 28 spline
Old June 24th, 2011 | 10:47 AM
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From: Melrose FL 32666
Originally Posted by 300F
You are sure
Can I use a powertrax from a 8.2 carrier in a 8.5 carrier
Pretty sure that '71 and later A-body moved to the 8.5" ring gear. Also pretty sure that the 8.2 inch components DO NOT interchange.
Steve
Old June 24th, 2011 | 08:15 PM
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You need the PowerTrax unit for an 8.5" with 28-spline axle.Part # 1920LR. These are different than the 8.2" units.For what they want for those PowerTrax units now,you can get a rebuilt used posi,or some new posi units.
Old June 24th, 2011 | 09:57 PM
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re axle

OK thank you all for the fast answers




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