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Ok, mine are all welded anyway.
Sent from my iPhone
> On Apr 15, 2020, at 5:29 PM, Bob Kramer <rkramer56@gmail.com> wrote:
>=20
> =EF=BB=BF
> Depends on the diff. The spider gears have bronze cup washers on a stock d=
iff. The Detroit Locket has some bronze rings.
>=20
> Bob Kramer
>=20
>=20
>> On Wed, Apr 15, 2020 at 4:22 PM Scott Janzen via Fot <fot@autox.team.net>=
wrote:
>> Where is there yellow metal/ brass alloy in these diffs?
>>=20
>> Sent from my iPhone
>>=20
>> > On Apr 15, 2020, at 5:15 PM, Randall via Fot <fot@autox.team.net> wrote=
:
>> >=20
>> > =EF=BB=BFYou should probably check with Redline; but my understanding i=
s that they do
>> > not use the sulfur/phosphorous additive that can damage yellow metal.
>> >=20
>> > According to the white paper at
>> > https://www.redlineoil.com/Content/files/tech/Gear%20Oil%20Tech%20Info.=
pdf
>> >=20
>> > "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=C2=B0F. Red Line Gear Oils are non-corrosive
>> > up to 300=C2=B0F and the MTL=C2=AE in excess of 375=C2=B0F. A
>> > corrosive gear oil can shorten synchronizer life by half
>> > and can also contribute to rust problems."
>> >=20
>> > I don't have a link handy, but I was reading a research paper just the o=
ther
>> > day (published in SAE Transactions) about a "dispersed solid borate"
>> > additive that reportedly gave greatly reduced wear in big truck rear ax=
les.
>> > One of the other Redline documents on their website mentions "solid
>> > microscopic particles", which could be the same thing (or not, just a W=
AG).
>> >=20
>> > -- Randall=20
>> >=20
>> >=20
>> > ckproof Gear OIl All Sythetic
>> >>=20
>> >> https://www.biesheuvel.nl/product/58204-75w250-heavy-shockproo
>> > f-gear-oil
>> >> In general GL5 has a higher sulfur content than GL4 has, but=20
>> >> surely GL4 does contain sulfur.=20
>> >=20
>> > _______________________________________________
>> > fot@autox.team.net
>> >=20
>> > http://www.fot-racing.com
>> >=20
>> > Donate: http://www.team.net/donate.html
>> > Archive: http://autox.team.net/archive http://www.team.net/pipermail/fo=
t
>> > Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/sjanzen@m=
e.com
>> >=20
>> >=20
>> _______________________________________________
>> fot@autox.team.net
>>=20
>> http://www.fot-racing.com
>>=20
>> Donate: http://www.team.net/donate.html
>> Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
>> Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/rkramer56@g=
mail.com
>>=20
>>=20
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<html><head><meta http-equiv=3D"content-type" content=3D"text/html; charset=3D=
utf-8"></head><body dir=3D"auto">Ok, mine are all welded anyway.<br><br><div=
dir=3D"ltr">Sent from my iPhone</div><div dir=3D"ltr"><br><blockquote type=3D=
"cite">On Apr 15, 2020, at 5:29 PM, Bob Kramer <rkramer56@gmail.com> w=
rote:<br><br></blockquote></div><blockquote type=3D"cite"><div dir=3D"ltr">=EF=
=BB=BF<div dir=3D"ltr">Depends on the diff. The spider gears have bronze cup=
washers on a stock diff. The Detroit Locket has some b=
ronze rings.<div><br clear=3D"all"><div><div dir=3D"ltr" class=3D"gmail_sign=
ature" data-smartmail=3D"gmail_signature"><div dir=3D"ltr">Bob Kramer</div><=
/div></div><br></div></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" c=
lass=3D"gmail_attr">On Wed, Apr 15, 2020 at 4:22 PM Scott Janzen via Fot <=
;<a href=3D"mailto:fot@autox.team.net";>fot@autox.team.net</a>> wrote:<br>=
</div><blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;bo=
rder-left:1px solid rgb(204,204,204);padding-left:1ex">Where is there yellow=
metal/ brass alloy in these diffs?<br>
<br>
Sent from my iPhone<br>
<br>
> On Apr 15, 2020, at 5:15 PM, Randall via Fot <<a href=3D"mailto:fot@=
autox.team.net" target=3D"_blank">fot@autox.team.net</a>> wrote:<br>
> <br>
> =EF=BB=BFYou should probably check with Redline; but my understanding i=
s that they do<br>
> not use the sulfur/phosphorous additive that can damage yellow metal.<b=
r>
> <br>
> According to the white paper at<br>
> <a href=3D"https://www.redlineoil.com/Content/files/tech/Gear%20Oil%20T=
ech%20Info.pdf" rel=3D"noreferrer" target=3D"_blank">https://www.redlineoil.=
com/Content/files/tech/Gear%20Oil%20Tech%20Info.pdf</a><br>
> <br>
> "The extreme pressure chemistry used in many gear oils<br>
> can be corrosive to brass and bronze used in synchronizers<br>
> and bushings. Most gear oils are corrosive at<br>
> temperatures of 200=C2=B0F. Red Line Gear Oils are non-corrosive<br>
> up to 300=C2=B0F and the MTL=C2=AE in excess of 375=C2=B0F. A<br>
> corrosive gear oil can shorten synchronizer life by half<br>
> and can also contribute to rust problems."<br>
> <br>
> I don't have a link handy, but I was reading a research paper just the o=
ther<br>
> day (published in SAE Transactions) about a "dispersed solid borate"<br=
>
> additive that reportedly gave greatly reduced wear in big truck rear ax=
les.<br>
> One of the other Redline documents on their website mentions "solid<br>=
> microscopic particles", which could be the same thing (or not, just a W=
AG).<br>
> <br>
> -- Randall <br>
> <br>
> <br>
> ckproof Gear OIl All Sythetic<br>
>> <br>
>> <a href=3D"https://www.biesheuvel.nl/product/58204-75w250-heavy-sho=
ckproo" rel=3D"noreferrer" target=3D"_blank">https://www.biesheuvel.nl/produ=
ct/58204-75w250-heavy-shockproo</a><br>
> f-gear-oil<br>
>> In general GL5 has a higher sulfur content than GL4 has, but <br>
>> surely GL4 does contain sulfur. <br>
> <br>
> _______________________________________________<br>
> <a href=3D"mailto:fot@autox.team.net"; target=3D"_blank">fot@autox.team.=
net</a><br>
> <br>
> <a href=3D"http://www.fot-racing.com"; rel=3D"noreferrer" target=3D"_bla=
nk">http://www.fot-racing.com</a><br>
> <br>
> Donate: <a href=3D"http://www.team.net/donate.html"; rel=3D"noreferrer" t=
arget=3D"_blank">http://www.team.net/donate.html</a><br>
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arget=3D"_blank">http://autox.team.net/archive</a> <a href=3D"http://www.tea=
m.net/pipermail/fot" rel=3D"noreferrer" target=3D"_blank">http://www.team.ne=
t/pipermail/fot</a><br>
> Unsubscribe/Manage: <a href=3D"http://autox.team.net/mailman/options/fo=
t/sjanzen@me.com" rel=3D"noreferrer" target=3D"_blank">http://autox.team.net=
/mailman/options/fot/sjanzen@me.com</a><br>
> <br>
> <br>
_______________________________________________<br>
<a href=3D"mailto:fot@autox.team.net"; target=3D"_blank">fot@autox.team.net</=
a><br>
<br>
<a href=3D"http://www.fot-racing.com"; rel=3D"noreferrer" target=3D"_blank">h=
ttp://www.fot-racing.com</a><br>
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Archive: <a href=3D"http://autox.team.net/archive"; rel=3D"noreferrer" target=
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<br>
<br>
</blockquote></div>
</div></blockquote></body></html>=
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_______________________________________________
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http://www.fot-racing.com
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