The Red Line MT90 is only correct if your transmission unit requires
a 90 wt gear oil. The correct oil for most British transmissions with
overdrive should be the Red Line MTL. This is a 75/80 wt gear oil and
is the same viscosity as a 30 wt engine oil.
The change from 30wt to 90wt usually is in the gear box and if there
is a syncro on first gear. In most cases If the transmission had a
syncro on first gear the manufacturer requires a 90wt gear oil. If
there isnt a syncron on first gear the transmission requires a 30wt
gear oil.
We have been using the Red Line MTL in almost all transmissions for
several years and have nothing but great success with it.
David Nock
British Car Specialists
Stockton Ca 95205
209-948-8767
www.britishcarspecialists.com
.
.
On Nov 14, 2009, at 4:45 AM, Mark LaPierre wrote:
> And of course there is the highly acclaimed and much debated MT90
> Redline that many of us
> have switched over to.
>
> Mark
>
>
> ----- Original Message ----- From: "Oudesluys" <coudesluijs@chello.nl>
> To: "Richard Gordon" <HealeyHundred@comcast.net>
> Cc: <healeys@autox.team.net>
> Sent: Saturday, November 14, 2009 3:39 AM
> Subject: Re: [Healeys] Dave Dougan's overdrive part 2
>
>
>> For lubrication these OD transmissions ( in Healey, Sunbeam,
>> Triumph, Jensen, MG, Austin, Morris, Vauxhall, Volvo and many
>> others) never use transmission oil like EP80 or 90. Always use
>> engine oil, 20W50 will be fine, allthough SAE 30 is often
>> specified. The EP oil contains additives that will destroy certain
>> parts in the OD and also in some instances in the gearbox, as with
>> e.g. Sunbeam.
>> Kees Oudesluijs
>> _______________________________________________
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