'76-'86 CJ rear axle swap options - Great Lakes 4x4. The largest offroad forum in the Midwest

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Old March 1st, 2007, 12:17 PM   #1
1x1_Speed_Craig
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Default '76-'86 CJ rear axle swap options

I thought I'd post a link to a FAQ page I put together for cj-8.com. It lists various \\\\\\\\\\'76-\\\\\\\\\\'86 CJ rear axle swap options. If you have any input about the content, let me know.

Craig
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Old March 1st, 2007, 12:25 PM   #2
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  • I don't recall the D60-2 I used to have being offset. I sold it to Fullthrottle and its now underneath 84Scrambler's Scrambler. Quadra-trac was a new and popular option during the end of the period that D60-2's were being used, so there may have been both centered and offset versions. That width sounds a little wide to me, also. I think the 74 J-20 rears I have are only 62"ish wide (as you stated) and they are newer. Perhaps one of those two clowns can provide some input. 4.27 was another common ratio during that era.
  • The J-series D60 rears were used right up to the end in the 80's. They are 8x6.5 and 30-spline. They were offered in both centered and offset for Quadra-trac. Common gear ratio was 3.73.

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Old March 1st, 2007, 04:19 PM   #3
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The J-Truck D60-2 was offset. I have owned 3 of them, and seen 4 others. The ones that were for sale on eBay from Market2 were centered, but they weren't ever under used under a vehicle, supposedly just for testing. Jeep used the Spicer 18 t-case during that time period, which was also offset. Pretty sure my '67 M715 even had an offset rear with a centered t-case- I have seen this in a few of the FSJs.
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Old March 4th, 2007, 10:38 AM   #4
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Quote:
Originally Posted by Cooter View Post
The J-Truck D60-2 was offset. I have owned 3 of them, and seen 4 others. The ones that were for sale on eBay from Market2 were centered, but they weren't ever under used under a vehicle, supposedly just for testing. Jeep used the Spicer 18 t-case during that time period, which was also offset. Pretty sure my '67 M715 even had an offset rear with a centered t-case- I have seen this in a few of the FSJs.
the last one i used was around 65 wms and offset around 5 inches. i shortened the long side tube to use another matching short side axle shaft. made a nice 60 wms axle with 35 spline 5 on 5 1/2 shafts using all stock parts. rear axle shaft bearings were not easy to find. had to get factory spicers.
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