Triumph Sports Cars

engine swaps and other performance upgrades, plus "factory" V8s (Stag and TR8)

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Icekottarinn
S. Markus Johannsson
Reykjavik, Iceland
(35 posts)

Registered:
07/17/2011 07:47PM

Main British Car:
Triumph Spitfire Mark III 1968 1300

Gearoil for the diff in Mk3?
Posted by: Icekottarinn
Date: November 24, 2012 01:57PM

Is it okay for my to use Mobil Mobilube HD, Premium, High Performance, SAE 80W-90 for the diff in my Triumph Spitfire Mk3 1968?
Thanks


88v8
Ivor Duarte
Gloucestershire UK
(1041 posts)

Registered:
02/11/2010 04:29AM

Main British Car:
1974 Land Rover Lightweight V8

Re: Gearoil for the diff in Mk3?
Posted by: 88v8
Date: November 27, 2012 02:40AM

Normally it should be EP90 to GL4 spec (not GL5).
Landrovers also use this oil in their transmission, so if you have trouble to find it then I would go to one of the many 4x4 specialists in Iceland and either buy some from them, or ask where they obtain their own supplies.
The problem with using different oil in the axle or gearbox is that it may be harmful, but it takes a long time for the damage to show.

Ivor


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