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Xj Rear End

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Old 08-28-2018, 02:26 PM
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Default Xj Rear End

Hey i bought an 89 Xj My Rear End Gave Out So im tryig to see if an 91 Xj same Model Will fit cause i have a buddy of mine that said it will and a buddy that said it might need a modification so i was you curious hoping to find a great answer if you can get back me would be Great

Thank you Very Muchh ,
Carlos R.
Old 08-28-2018, 02:31 PM
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As long as the gear ration is the same, it is a bolt in
Old 08-28-2018, 05:29 PM
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Old 08-28-2018, 05:29 PM
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Originally Posted by 4.3L XJ
As long as the gear ration is the same, it is a bolt in
& How exactly will i know whats the gear Ration On both ?? cause we seen the one thats on the 89 & It also Has A 3rd line conected to it along with the brake line and hand brake theirs another line & the 91 Rear end dont havee it
Old 08-28-2018, 05:49 PM
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Myswell get the front axle. I think its non cad axle and is a slight upgrade to vacumn actuated axle in your 89
Old 08-28-2018, 06:00 PM
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Originally Posted by Carlos Ramirez


& How exactly will i know whats the gear Ration On both ?? cause we seen the one thats on the 89 & It also Has A 3rd line conected to it along with the brake line and hand brake theirs another line & the 91 Rear end dont havee it

There will be a tag on the diff cover that will have the ratio on it. It will be expressed in tooth count, so simple division will get it
Old 08-28-2018, 07:38 PM
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Good chance it's a 8.25 rear. That's a nice up grade
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