The "big" 4.11 diff is very common in the UK as the internals were fitted to
Toledo/Dolomite and Marina. Canley Classics has new crown wheel and pinions
at a reasonable price. As a 4.11 ratio it was only fitted to 1972 US
Spitfire Mk IVs, the last of the 1300s. With a 21H5478 carrier it will go
into any GT6 or Spit IV/1500 diff as long as the relevant carrier bearings
are used. Canley is also the source for 4.55s if they have any left.
John Kipping
----- Original Message -----
From: "jaboruch" <jaboruch@adelphia.net>
To: "Friends of Triumph" <FOT@autox.team.net>
Sent: Tuesday, May 18, 2004 3:21 AM
Subject: Spitfire Diff
> A friend, Jack Creel, who raced a TR4 back in the 70's in the
> Northeast, just started racing a former Mark McAllister GP Spitfire
> (car went to the Runnoffs in 2000). Jack only got a 3.89 rear diff
> with the car and is looking for a 4.11 diff. Does anyone have one
> that is already set up that they would be willing to part with?
> Jack's current set up has round driveshaft and axle flanges, so one of
> those would be his preference. If a complete 4.11 diff is not
> available does anyone have a source for a 4.11 ring and pinion and a
> source for a housing, carrier, etc? Thanks in advance, Joe(B)
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