[Healeys] Transmission troubles

richard mayor mayorrichard at hotmail.com
Tue Jul 28 18:21:33 MDT 2009


Yes, it is the wrong oil for your transmission. Use Redline 30wt engine oil.
Richard Mayor


> Date: Tue, 28 Jul 2009 12:15:37 -0700
> From: hartfiel at alumni.princeton.edu
> To: healeydoc at sbcglobal.net; writeian at aol.com
> CC: healeys at autox.team.net
> Subject: Re: [Healeys] Transmission troubles
>
> Does than mean my using Redline MT-90 in my Healey would be the wrong oil?
>
>
> David Nockhealeydoc at sbcglobal.net
>
> > The Red Line Gear oils are several different ones
> >
> > Red Line MTL is a 75/80 gear oil.  This is designed for a manual
> > transmission that requires 30 wt oils.
> >
> > Red Line 90wt gear oils are designed for transmissions and rear axle
> > units that require a 90 wt gear oil, This will also vary if you have
> > a limit slip rear axle.
> >
> > Also gear oils do not have the same viscocity ratings as engine oils
> > so a 75/80 gear oil is the same as a 30 wt engine oil. The British
> > transmissions that did not have a syncro  first gear did  not use a
> > 90wt gear oil that all required a 30wt non detergent engine oil.
> >
> >
> >
> >
> >
> > David Nock
> > British Car Specialists
> > Stockton Ca 95205
> > 209-948-8767
> >
> > www.britishcarspecialists.com
> > ..
> > ..
> >
> > On Jul 28, 2009, at 10:21 AM, writeian at aol.com wrote:
> >
> >> I made a mistake reporting the fluid-oil my friend had used in the
> >> gearbox of his '60 BN7 who experienced a gearbox failure requiring
> >> replacement.? He had been using Redline 75W90NS whether that is the
> >> MT or MTL fluid-oil.
> >>
> >> I use?SAE 30 non-detergent oil in my '60 3000 gearbox and its
> >> overdrive and will probably not ever use anything else, period.
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