Martin,
I did the same thing last fall. I think all US diffs are the same. I recall
3.7 final drive ratio. I think IRS TR4s are also the same with the exception
of the aluminum cover. I bought a used diff locally for $200 without the
cover.
I don't think you need to do anything to balance the new assembly. At least
I didn't. I had a few long rides before putting the car away for winter and
everything seemed fine.
- Hugh
> -----Original Message-----
> From: owner-triumphs@autox.team.net
> [mailto:owner-triumphs@autox.team.net]On Behalf Of M. Secrest
> Sent: Friday, December 27, 2002 8:27 PM
> To: triumphs@autox.team.net
> Subject: TR6 Diff Questions
>
>
> All:
>
> I have a '72 TR6 with overdrive whose differential has given up the
> ghost.
>
> Instead of the usual $800 rebuild, I'm thinking about
> installing a used
> unit and limping along with that for a while.
>
> Are all TR6 diffs the same?
>
> And, having installed a different diff on the same prop shaft, what if
> anything do I need to do to keep the old prop and the new diff in
> harmony, as per balance?
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