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Username Post: Do I need new axles when swapping a 62 posi 3rd member        (Topic#374476)
LSS1333 
Contributor
Posts: 123

Reg: 05-13-15
02-09-24 08:29 PM - Post#2866758    

Hello everyone!

I have a 63 impala that has an open differential. I have found a factory posi unit from a 62 impala. Will I need to shorten my axles for this swap or will my 63 impala non-posi axles work with this 62 impala factory differential?

Thanks



 


dgstarr 
"6th Year" Silver Supporting Member
Posts: 414
dgstarr
Loc: Portland, OR
Reg: 04-16-13
02-10-24 09:56 AM - Post#2866771    
    In response to LSS1333

The axles are the same,



 
LSS1333 
Contributor
Posts: 123

Reg: 05-13-15
02-11-24 03:10 PM - Post#2866809    
    In response to dgstarr

I’m asking because I think I heard there’s a difference between 55-57 axles depending on it they are for a posi vs non-posi rear end. So I’m wondering if that’s the case for my car?



 
dgstarr 
"6th Year" Silver Supporting Member
Posts: 414
dgstarr
Loc: Portland, OR
Reg: 04-16-13
02-11-24 05:21 PM - Post#2866813    
    In response to LSS1333

Several years ago I did exactly what you want to do, no issues. 62 Posi installed in a 63 Impala without Posi.



Edited by dgstarr on 02-11-24 05:22 PM. Reason for edit: No reason given.

 


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