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RE: TR250 Power

Subject: RE: TR250 Power
From: Dave Massey <105671.471@compuserve.com>
Date: Fri, 24 Oct 2003 16:32:22 -0400
Cc: "Triumph List" <triumphs@autox.team.net> h9OKXTTB004948
Message text written by "Randall Young"
>The rest of the drivetrain was designed to go behind a 150 bhp engine (the
TR5), so should be no problem.  I'd want to double-check the diff mounts
tho, maybe even drop the diff to inspect, since it seems to be hard to know
when they're about to fail otherwise.
<

There are those who maintain that the TR6 diff was a bit weak and my
experience is consistant with this.  The teeth on the pinion are not
adequately hardened and have a tendency to fracture.  I have a diff in my
garage with just this failure.  I suspect that the problem is spotty as
some differentails seem to go on forever.

At any rate, RIchard Good has a listing in his latest catalog for an
adapter kit to fit a (modified) Nissan differential (with limited slip)
into a TR6.  And he also offers used, modified diff's for sale.  The whole
shebang comes in at an attractive price which is a fraction of what you
would spend on a quaife.  So if you have concerns about your differential
you may consider this avenue.

The transmissions from the later TR6's are the same ones used in the Stag
(so I've heard) which is a heavier car with a larger, more powerful engine
both of which will put more stress on a transmission and they hold up well.

Cheers

Dave




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