[Fot] Reline Heavy Shockproof Gear OIl All Sythetic

[Bob Kramer]

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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