[Fot] Reline Heavy Shockproof Gear OIl All Sythetic

[Bob Kramer]

The "Bob's" are in total agreement other than to mention that the
quarts sized StaLube from Napa ends up being quite a bit more
expensive than the CarQuest EP90, which comes in gallons. I recycle a lot
of it so cost matters.

OTOH,  I refill a old Stalube quart bottle from my gallon of CarQuest EP90
to use with my hand pump. It's getting old and I should upgrade before the
bottom falls out.

Bob Kramer


On Thu, Apr 16, 2020 at 4:17 PM Robert Lang <robertlangtr6 at yahoo.com> wrote:

> Hi - There's the spherical washers as Bob refers to, but there may also be
> yellow-metal for the thrust washers for the side gears. Later cars like the
> TR6 got fiber thrust washers, but some of us install the bronze ones used
> in the TR3/4.
>
> Can't speak to Spitfires, though.
>
> If you have a locker, use the cheap stuff and change the diff oil often!
> And when you change the oil, examine it closely. That way you stay ahead of
> any "issues".
>
> Technically, the proper oils will say "yellow-metal safe" but not all that
> are safe do say so.
>
> CRC StaLube is special order at the local NAPA. Perfect for street cars.
>
> l8R,
> Bob Lang
>
> On Wednesday, April 15, 2020, 5:31:22 PM EDT, Bob Kramer via Fot <
> fot at autox.team.net> wrote:
>
>
> Depends on the diff. The spider gears have bronze cup washers on a stock
> diff.   The Detroit Locket has some bronze rings.
>
> Bob Kramer
>
>
> On Wed, Apr 15, 2020 at 4:22 PM Scott Janzen via Fot <fot at autox.team.net>
> wrote:
>
> Where is there yellow metal/ brass alloy in these diffs?
>
> Sent from my iPhone
>
> > On Apr 15, 2020, at 5:15 PM, Randall via Fot <fot at autox.team.net> wrote:
> >
> > You should probably check with Redline; but my understanding is that
> they do
> > not use the sulfur/phosphorous additive that can damage yellow metal.
> >
> > According to the white paper at
> >
> https://www.redlineoil.com/Content/files/tech/Gear%20Oil%20Tech%20Info.pdf
> >
> > "The extreme pressure chemistry used in many gear oils
> > can be corrosive to brass and bronze used in synchronizers
> > and bushings. Most gear oils are corrosive at
> > temperatures of 200°F. Red Line Gear Oils are non-corrosive
> > up to 300°F and the MTL® in excess of 375°F. A
> > corrosive gear oil can shorten synchronizer life by half
> > and can also contribute to rust problems."
> >
> > I don't have a link handy, but I was reading a research paper just the
> other
> > day (published in SAE Transactions) about a "dispersed solid borate"
> > additive that reportedly gave greatly reduced wear in big truck rear
> axles.
> > One of the other Redline documents on their website mentions "solid
> > microscopic particles", which could be the same thing (or not, just a
> WAG).
> >
> > -- Randall
> >
> >
> > ckproof Gear OIl All Sythetic
> >>
> >> https://www.biesheuvel.nl/product/58204-75w250-heavy-shockproo
> > f-gear-oil
> >> In general GL5 has a higher sulfur content than GL4 has, but
> >> surely GL4 does contain sulfur.
> >
> > _______________________________________________
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> >
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