Dave,
No problem. I know you are quite knowledgeable on auto stuff (nice article
in Austin-Healey Magazine). I was kinda worried for a minute until I checked.
I think RL's nomenclature leaves a little to be desired. I actually picked up
a
couple quarts of 75W-90NS by mistake. I added their friction modifier to my
diff to help quiet a little whine I have since I installed the 3.54 rearend
(others
have noted that their 3.54s make a little noise, too). My dad said when
he was a factory rep for Ford they'd do that when people complained about
rearend noise in early Mustangs.
bs
***************************************************************
Bob Spidell San Jose, CA bspidell@comcast.net
'67 Austin-Healey 3000 '56 Austin-Healey 100M
***************************************************************
Subject: Re: lubricants
> Hi Bob,
>
> My profound apology to you. You are correct.
> There is a 75W90 API GL-4 Gear Oil Called "MT-90" on the front label,
> and also a 75W90 API GL-5 Gear Oil called "75W90 Gear Oil".
> My mistake, sorry,
>
> Dave Russell
>
> Bob Spidell wrote:
> > Dave,
> >
> >
> > I got this off the RL website re: 75W-90 gear oil.
> >
> > "Our most popular gear oil, this is the preferred product in nearly
> > all car and light truck differentials, both conventional and
> > limited-slip. 75W90 is preferred for most racing applications. It
> > contains friction modifier which is recommended for limited-slip
> > units. 75W90 Gear Oil can be used in many transmissions and
> > transaxles; however, other Red Line lubricants have better frictional
> > properties for rapid synchronization. Exceeds API GL-5."
> >
> >
> http://www.redlineoil.com/products_gearlubricants.asp?subcatID=20&prodID=60
> >
> >
> >
> >
> > Sounds like this is appropriate for Healey diffs ... am I missing
> > something?
> >
> >
> >
> > bs
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