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I mentioned Zinc content in GL-4 and GL-5 oil, that's wrong of course, it's
about Sulfur. Sulfur is also reactive to Nikasil. Some cars in the eighties had
Nikasil liners : Honda, Jaguar, Rover, and also Porsche. But the high sulfur
content in the FUEL of that period did damage the Nikasil liners, thus causing
severe loss of power and high oil consumption. The sulfur content of modern
fuels is very low and it isn't harmful to Nikasil anymore. However, car
manufacturers have changed to other production processes to reduce ring/liner
friction, because of these problems but also because Nikasil is expensive for
massproduction.
Marcel
Van: "van mulders marcel" <van.mulders.marcel@telenet.be>
Aan: "Russell Westfall" <rwestfall@ymail.com>
Cc: "fot" <fot@autox.team.net>
Verzonden: Woensdag 19 augustus 2020 23:41:31
Onderwerp: Fwd: [Fot] Overdrive gearbox oil
Van: "van mulders marcel" <van.mulders.marcel@telenet.be>
Aan: "Russell Westfall" <rwestfall@ymail.com>
Verzonden: Woensdag 19 augustus 2020 23:39:32
Onderwerp: Re: [Fot] Overdrive gearbox oil
I believe most Triumph owners agree that engine oil can safely be used in the
gearbox wether or not it has an overdrive. For some time I use Mobil 1 5w-50.
There is some concern about the Zinc content in GL5 EP (extrem pressure) diff
oil. GL5 oil has about twice as much Zinc in it compared to GL4 (so will GL 4
oil also eat the yellow parts, but only 2x slower?)
Marcel
Van: "fot" <fot@autox.team.net>
Aan: "fot" <fot@autox.team.net>
Verzonden: Woensdag 19 augustus 2020 23:25:31
Onderwerp: [Fot] Overdrive gearbox oil
Amici
I am running a TR4 with an overdrive. There seems to be several opinions on the
proper lube to run in these transmissions. Is there a consensus on what works
best in racing applications?
Russ Westfall
[ https://overview.mail.yahoo.com/?.src=iOS | Sent from Yahoo Mail for iPhone ]
_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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<html><body><div style=3D"font-family: Verdana, Arial, Helvetica, sans-seri=
f; font-size: 10pt; color: #000000"><div><br></div><div>I mentioned Zinc co=
ntent in GL-4 and GL-5 oil, that's wrong of course, it's about Sulfur. Sulf=
ur is also reactive to Nikasil. Some cars in the eighties had Nikasil liner=
s : Honda, Jaguar, Rover, and also Porsche. But the high sulfur content in =
the FUEL of that period did damage the Nikasil liners, thus causing severe =
loss of power and high oil consumption. The sulfur content of modern fuels =
is very low and it isn't harmful to Nikasil anymore. However, car man=
ufacturers have changed to other production processes to reduce ring/liner =
friction, because of these problems but also because Nikasil is expensive f=
or massproduction.</div><div>Marcel</div><hr id=3D"zwchr" data-marker=3D"__=
DIVIDER__"><div data-marker=3D"__HEADERS__"><b>Van: </b>"van mulders marcel=
" <van.mulders.marcel@telenet.be><br><b>Aan: </b>"Russell Westfall" &=
lt;rwestfall@ymail.com><br><b>Cc: </b>"fot" <fot@autox.team.net><b=
r><b>Verzonden: </b>Woensdag 19 augustus 2020 23:41:31<br><b>Onderwerp: </b=
>Fwd: [Fot] Overdrive gearbox oil<br></div><div><br></div><div data-marker=
=3D"__QUOTED_TEXT__"><div style=3D"font-family:'verdana' , 'arial' , 'helve=
tica' , sans-serif;font-size:10pt;color:#000000"><br><br><hr id=3D"zwchr"><=
div><b>Van: </b>"van mulders marcel" <van.mulders.marcel@telenet.be><=
br><b>Aan: </b>"Russell Westfall" <rwestfall@ymail.com><br><b>Verzond=
en: </b>Woensdag 19 augustus 2020 23:39:32<br><b>Onderwerp: </b>Re: [Fot] O=
verdrive gearbox oil<br></div><br><div><div style=3D"font-family:'verdana' =
, 'arial' , 'helvetica' , sans-serif;font-size:10pt;color:#000000"><div>I b=
elieve most Triumph owners agree that engine oil can safely be used i=
n the gearbox wether or not it has an overdrive. For some time I use Mobil =
1 5w-50.</div><div>There is some concern about the Zinc content in GL5 EP (=
extrem pressure) diff oil. GL5 oil has about twice as much Zinc in it compa=
red to GL4 (so will GL 4 oil also eat the yellow parts, but only 2x slower?=
)</div><div>Marcel</div><br><hr id=3D"zwchr"><div><b>Van: </b>"fot" <fot=
@autox.team.net><br><b>Aan: </b>"fot" <fot@autox.team.net><br><b>V=
erzonden: </b>Woensdag 19 augustus 2020 23:25:31<br><b>Onderwerp: </b>[Fot]=
Overdrive gearbox oil<br></div><br><div>
Amici<div>I am running a TR4 with an overdrive. There seems to be several o=
pinions on the proper lube to run in these transmissions. Is there a consen=
sus on what works best in racing applications?</div><div>Russ Westfall<br><=
br><br><a href=3D"https://overview.mail.yahoo.com/?.src=3DiOS"; rel=3D"nofol=
low noopener noreferrer nofollow noopener noreferrer nofollow noopener nore=
ferrer" target=3D"_blank">Sent from Yahoo Mail for iPhone</a><br></div>
<br>_______________________________________________<br>fot@autox.team.net<b=
r><br>http://www.fot-racing.com<br><br>Donate: http://www.team.net/donate.h=
tml<br>Archive: http://autox.team.net/archive http://www.team.net/pipermail=
/fot<br>Unsubscribe/Manage: http://autox.team.net/mailman/options/fot/van.m=
ulders.marcel@telenet.be</div></div></div></div><br></div></div></body></ht=
ml>
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_______________________________________________
fot@autox.team.net
http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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