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I always used Valvoline straight 50 Wt. oil in my overdrive gearboxes for =
the race car.=C2=A0 Worked fine - no wear problems.=C2=A0 However, in my st=
reet cars I use EP-80/90 gear oil, as recommended by the manufacturer (I th=
ink).
Jack
On Thursday, August 20, 2020, 1:27:04 PM EDT, van.mulders.marcel--- via=
Fot <fot@autox.team.net> wrote: =20
=20
=20
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 eightie=
s 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, t=
hus causing severe loss of power and high oil consumption. The sulfur conte=
nt of modern fuels is very low and it isn't harmful to=C2=A0 Nikasil anymor=
e. However, car manufacturers have changed to other production processes to=
reduce ring/liner friction, because of these problems but also because Nik=
asil is expensive for massproduction.MarcelVan: "van mulders marcel" <van.m=
ulders.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=C2=A0 that engine oil can safely be use=
d in the gearbox wether or not it has an overdrive. For some time I use Mob=
il 1 5w-50.There is some concern about the Zinc content in GL5 EP (extrem p=
ressure) diff oil. GL5 oil has about twice as much Zinc in it compared to G=
L4 (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
AmiciI am running a TR4 with an overdrive. There seems to be several opinio=
ns on the proper lube to run in these transmissions. Is there a consensus o=
n what works best in racing applications?Russ Westfall
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
arcel@telenet.be
_______________________________________________
fot@autox.team.net
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Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
yahoo.com
=20
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<html><head></head><body><div class=3D"ydp4dc62524yahoo-style-wrap" style=
=3D"font-family: Helvetica Neue, Helvetica, Arial, sans-serif; font-size: 1=
3px;"><div></div>
<div dir=3D"ltr" data-setdir=3D"false">I always used Valvoline stra=
ight 50 Wt. oil in my overdrive gearboxes for the race car. Worked fi=
ne - no wear problems. However, in my street cars I use EP-80/90 gear=
oil, as recommended by the manufacturer (I think).</div><div dir=3D"ltr" d=
ata-setdir=3D"false"><br></div><div dir=3D"ltr" data-setdir=3D"false">Jack<=
br></div><div><br></div>
=20
</div><div id=3D"ydp573a6e35yahoo_quoted_8759097868" class=3D"ydp57=
3a6e35yahoo_quoted">
<div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
=20
<div>
On Thursday, August 20, 2020, 1:27:04 PM EDT, van.mulde=
rs.marcel--- via Fot <fot@autox.team.net> wrote:
</div>
<div><br></div>
<div><br></div>
<div><div id=3D"ydp573a6e35yiv4815569618"><div><div style=
=3D"font-family:Verdana, Arial, Helvetica, sans-serif;font-size:10pt;color:=
#000000;"><div><br clear=3D"none"></div><div>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 pow=
er 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, b=
ecause of these problems but also because Nikasil is expensive for massprod=
uction.</div><div>Marcel</div><hr id=3D"ydp573a6e35yiv4815569618zwchr"><div=
class=3D"ydp573a6e35yiv4815569618yqt0182881404" id=3D"ydp573a6e35yiv481556=
9618yqt79645"><div><b>Van: </b>"van mulders marcel" <van.mulders.marcel@=
telenet.be><br clear=3D"none"><b>Aan: </b>"Russell Westfall" <rwestfa=
ll@ymail.com><br clear=3D"none"><b>Cc: </b>"fot" <fot@autox.team.net&=
gt;<br clear=3D"none"><b>Verzonden: </b>Woensdag 19 augustus 2020 23:41:31<=
br clear=3D"none"><b>Onderwerp: </b>Fwd: [Fot] Overdrive gearbox oil<br cle=
ar=3D"none"></div><div><br clear=3D"none"></div><div><div style=3D"font-fam=
ily:'verdana' , 'arial' , 'helvetica' , sans-serif;font-size:10pt;color:#00=
0000;"><br clear=3D"none"><br clear=3D"none"><hr id=3D"ydp573a6e35yiv481556=
9618zwchr"><div><b>Van: </b>"van mulders marcel" <van.mulders.marcel@tel=
enet.be><br clear=3D"none"><b>Aan: </b>"Russell Westfall" <rwestfall@=
ymail.com><br clear=3D"none"><b>Verzonden: </b>Woensdag 19 augustus 2020=
23:39:32<br clear=3D"none"><b>Onderwerp: </b>Re: [Fot] Overdrive gearbox o=
il<br clear=3D"none"></div><br clear=3D"none"><div><div style=3D"font-famil=
y:'verdana' , 'arial' , 'helvetica' , sans-serif;font-size:10pt;color:#0000=
00;"><div>I believe most Triumph owners agree that engine oil can saf=
ely be used in 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 conten=
t in GL5 EP (extrem pressure) diff oil. GL5 oil has about twice as much Zin=
c in it compared to GL4 (so will GL 4 oil also eat the yellow parts, but on=
ly 2x slower?)</div><div>Marcel</div><br clear=3D"none"><hr id=3D"ydp573a6e=
35yiv4815569618zwchr"><div><b>Van: </b>"fot" <fot@autox.team.net><br =
clear=3D"none"><b>Aan: </b>"fot" <fot@autox.team.net><br clear=3D"non=
e"><b>Verzonden: </b>Woensdag 19 augustus 2020 23:25:31<br clear=3D"none"><=
b>Onderwerp: </b>[Fot] Overdrive gearbox oil<br clear=3D"none"></div><br cl=
ear=3D"none"><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 c=
lear=3D"none"><br clear=3D"none"><br clear=3D"none"><a shape=3D"rect" href=
=3D"https://overview.mail.yahoo.com/?.src=3DiOS"; rel=3D"nofollow" target=3D=
"_blank">Sent from Yahoo Mail for iPhone</a><br clear=3D"none"></div>
<br clear=3D"none">_______________________________________________<br clear=
=3D"none">fot@autox.team.net<br clear=3D"none"><br clear=3D"none">http://ww=
w.fot-racing.com<br clear=3D"none"><br clear=3D"none">Donate: http://www.te=
am.net/donate.html<br clear=3D"none">Archive: http://autox.team.net/archive=
http://www.team.net/pipermail/fot<br clear=3D"none">Unsubscribe/Manage: ht=
tp://autox.team.net/mailman/options/fot/van.mulders.marcel@telenet.be</div>=
</div></div></div><br clear=3D"none"></div></div></div></div></div><div cla=
ss=3D"ydp573a6e35yqt0182881404" id=3D"ydp573a6e35yqt80572">________________=
_______________________________<br clear=3D"none"><a shape=3D"rect" href=3D=
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am.net</a><br clear=3D"none"><br clear=3D"none"><a shape=3D"rect" href=3D"h=
ttp://www.fot-racing.com" rel=3D"nofollow" target=3D"_blank">http://www.fot=
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http://www.fot-racing.com
Archive: http://autox.team.net/archive http://www.team.net/pipermail/fot
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