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Old 03-07-2020, 01:27 PM   #1
kens65fb
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Rear End Swap

Looking to swap the old 6 lug rear in my 64, and convert to 5 lug.

What year rear end would be easiest, and best, for fitment of 18 or 20 inch wheels?
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Old 03-07-2020, 05:18 PM   #2
bigmoe
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Re: Rear End Swap

You can buy axles to convert your existing rear to 5 lug.
https://www.youtube.com/watch?v=lfpRaNWutVw

Last edited by bigmoe; 03-07-2020 at 05:21 PM. Reason: add vid
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Old 03-07-2020, 05:35 PM   #3
The Rocknrod
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Re: Rear End Swap

Yep that's the easiest way to do it. Buy 31 spline Moser Axles, Posi 3rd member etc.
I think I bought it all from these guys: https://www.quickperformance.com/GM-...-12T_c_54.html
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Old 03-07-2020, 11:05 PM   #4
Captainfab
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Re: Rear End Swap

Keeping your original 12 bolt and converting it to 5 lug will give you more room for tire and wheel than changing to a '71+ differential which are wider.
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Old 03-08-2020, 11:17 PM   #5
gulfcoast66
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Re: Rear End Swap

1971-1972 , C-10 Rear Axles will Directly Bolt up (Plug N play). Not only will you get 5x5 pattern also they Have the Bigger Drums (Finned)...
The Axles are Longer, if I Remember correctly 1 1/2 inch on each side.. I've had 24x9 Inch Rims and Yesterday I put Rallys with New Rubber on. 15x8 255/r60 Tires, No Problems..
If you can find one Get It.. My 2$.
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Old 03-09-2020, 07:01 AM   #6
bigmoe
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Re: Rear End Swap

Quote:
Originally Posted by gulfcoast66 View Post
The Axles are Longer, if I Remember correctly 1 1/2 inch on each side.
'71 and up are 1 1/2" wider in total, 3/4" per side.
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Old 03-09-2020, 11:50 AM   #7
verdell
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Re: Rear End Swap

As mentioned earlier, swapping axles would be an easy alternative. Yukon and Motive Gear also makes their versions of these available at Summit.
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Old 03-09-2020, 11:05 PM   #8
gulfcoast66
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Talking Re: Rear End Swap

Quote:
Originally Posted by bigmoe View Post
'71 and up are 1 1/2" wider in total, 3/4" per side.



Yeah I Figured somewhere in that Ballpark, It's Been over 10 years since I Swapped Rear Axles... Thanks for Clearing that up bigmoe..
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