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Unread 04-30-2013, 07:50 AM   #1
bobandy
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Join Date: Apr 2013
Posts: 9
Gearing upgrade on a 90 xj limited

Hey I need some help I want to upgrade my d35s to a Dana 40 or 44?? Can I just rebuild the diffs and if so what would I need gearing wise or would it be easier to just do axle swaps?

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Unread 04-30-2013, 07:56 AM   #2
RWKHausSupply
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1990 XJ Cherokee 
 
Join Date: Nov 2009
Location: Yorba Linda
Posts: 319
You need to replace the entire rear axle assembly. Look for a D44 from a cherokee. They were original in the "Metric Ton" XJ's. Typically only 87-89.
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Unread 04-30-2013, 08:10 AM   #3
bobandy
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Join Date: Apr 2013
Posts: 9
Ok thanks for the help, now if I do the rear will I need to make the front the same gearing as well? Or can it be different?
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