LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

90 ls400 diff question

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Old 10-29-12, 07:33 PM
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ef9racer
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Question 90 ls400 diff question

first off i did searched but found nothing useful

my question is what diffs are interchangable for the 90 ls400 cause i found a 96 ls400 at a local u-pull-it.
Old 10-29-12, 08:07 PM
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PureDrifter
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the internals are interchangeable, the cases are not.

'89-94, 95-97, and 98-00 all had different diffs and mounting configurations.
Old 11-01-12, 10:25 AM
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TheGerman
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do any of those have an lsd?
Old 11-01-12, 12:34 PM
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Originally Posted by TheGerman
do any of those have an lsd?
no, no lexus ever came with an LSD before the 2001/2002 IS300.

as it's unrelated to this thread, i suggest you search the LS400 forum for "LSD*" without the quotes but with the star for more information.
Old 11-01-12, 08:45 PM
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trukn1
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Direct bolt in,, no problems - 89-94. As Puredrifter stated,, the internals with the different years are all the same, however the case sizes are different.
Old 11-02-12, 07:33 AM
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ef9racer
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Thanks for the info cause when I dropped my rearend it had a salvage yard tag of 1998 ls400.
Old 11-02-12, 02:45 PM
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if you're still running the '96 rear subframe then it was a tagging error as the '98-00 rear end won't bolt in.

plus you would see a performance loss as the ratio is taller in the '98-00.
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