Fred Hodgeson installed mine and he didn't mention any problems.
I have the IRS diff. though with the 4.11 gears.
jimB g
----- Original Message -----
From: "Barry Munson" <barry@penybryn.ca>
To: fot@autox.team.net
Sent: Friday, July 8, 2011 12:42:05 PM
Subject: [Fot] Quaife and 4.1 Installation B B B B B B B B Issues TR3
Amici - I have purchased a new Quaife directly from Quaife UK, a new 4.11
gear set and a complete set of new bearings for installation in a Southwick
conversion TR3 differential housing. In what should have been a relatively
simple installation process has proved to be one royal PITA. Simply put with
the pinion installed with the correct preload, even with all the shims moved
to one side of the carrier there is no way to get any backlash.
This has been driving my installer crazy as they have checked, several
times, all the dimensions, bearing and cage heights. It appears that the
Quaife cage is 1.2 mm taller than the stock cage. I have phoned the Quaife
tech line twice and sent a number of e-mails requesting assistance and
received the following response: "I think that our diff only fits with the
3.75 ratio directly, the only option will be to Machine the crown wheel
face."
While this seems odd to me as the 4.11 ratio was a factory option I thought
that I would seek additional expert advice.
So my question to the group is:
Has anyone experienced any difficulties installing a Quaife and a 4.11 gear
set in a TR 3 or 4 differential housing ( I'm assuming that the Southwick
conversion will have no bearing on this issue) and, if so, how did you solve
the problem?
B
Additionally, if machining the crown wheel face is the solution then how do
you determine how much to machine it - Quaife have been silent even when the
question was put directly to them.
B
As always thanks for any help/advice provided.
B
Barry.
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