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XJ XJ12 ( X305 ) 1995 - 1997

XJ12 differential gear set

 
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Old 03-06-2019, 11:32 PM
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Default XJ12 differential gear set

Hello, I need your help. I have a 1932 Plymouth coupe with a 1976 jag xj12 rearend. I am wanting to install a new ring and pinion. Something like a 373 or 392 or ?. I have checked the internet for a gear set with no luck. Can anyone help me. Thank you so much.
 

Last edited by GGG; 03-11-2019 at 03:57 AM.
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Old 03-07-2019, 04:22 AM
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https://www.jaguarclassicparts.com/uk

Jaguar XJ12 series 2 ?
 

Last edited by Lady Penelope; 03-07-2019 at 04:31 AM.
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Old 03-11-2019, 12:27 AM
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Default XJ12

I have a 1976 XJ12 rearend in my 32 Plymouth coupe. I see it has 3.22 gears. I just installed a 46rh Mopar four speed OD transmission in my coupe and want to upgrade me differential to 3.73 or maybe 4.09 gears. I cant find a gear set anywhere. I read one could use a Dana 44 jeep Cherokee gear set but need to upgrade the pinion flange. Any thoughts?
 
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Old 03-11-2019, 06:54 AM
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Yeah, Jaguar used a 3.77 or 4.09 ratio on some cars but those gear sets are hard to find. Dana 44 gears will probably be your best bet.

Re-post your question in the Series I-II-II section. "Icsamerica" will come along and help. He has gear swaps down to a science.

Cheers
DD

 
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