68 jag 4HA salisbury diff

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Jan 12, 2014 | 06:24 PM

Sterlingcousins

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From: Santa Rosa, ca

68 jag 4HA salisbury diff

Have 39 chev sedan with jag diff 3:31 ratio. found 2:88 gear set
and need LSD carrier. or any ideas to get gears to work?

Jan 12, 2014 | 07:17 PM

motorcarman

Joined: Dec 2009

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From: Wise County,TX

If the 3.31 diff is from an 'E' type then you already have a Limited Slip.
A 2.88 diff from XJ-S will also already be LSD.

Sedans are hit or miss as far as LSD is concerned.

bob gauff

Jan 13, 2014 | 12:11 PM

Sterlingcousins

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From: Santa Rosa, ca

68 jag 4ha

I have a locking diff with the 3:31 but to install 2:88 the offset is different so I am in need of a case.
will the LSD case for the 2:88 work in this 4HA housing and are there any available?

Jan 13, 2014 | 08:21 PM

motorcarman

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From: Wise County,TX

Just get a 1980s vintage XJ-S diff and install it in your suspension 'cage'.

They should all be 2.88 LSD.

bob gauff

Jan 13, 2014 | 11:21 PM

Sterlingcousins

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From: Santa Rosa, ca

I'll keep looking for a case but now also looking for a diff.
hoping all the bolt holes are the same and axles would be the same.
thanks for the idea

Jan 14, 2014 | 07:56 AM

motorcarman

Joined: Dec 2009

Posts: 13,644

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From: Wise County,TX

If you have an 'E' Type diff assy then the axles and lower control arms are shorter than an XJ-S.

The diff cases will fit. You might want to use the later brake calipers.

bob gauff