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Re: [Fot] bike engine oil for overdrive gearbox?

To: Duncan Charlton <duncan.charlton54@gmail.com>, <van.mulders.marcel@telenet.be>
Subject: Re: [Fot] bike engine oil for overdrive gearbox?
From: barry rosenberg via Fot <fot@autox.team.net>
Date: Mon, 17 Dec 2018 13:53:17 +0000 (UTC)
Cc: fot <fot@autox.team.net>
Delivered-to: mharc@autox.team.net
Delivered-to: fot@autox.team.net
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 Why not contact Gearvendors and ask what oil they recommend? They sell a L=
aycock overdrive for most hot rods and drag cars on the Hot Rod Drag Week e=
vent. Most off road racers run their overdrive units. See what they use.
Barry
    On Monday, December 17, 2018, 8:47:27 AM EST, van.mulders.marcel--- via=
 Fot <fot@autox.team.net> wrote: =20
=20
 I don't know what material wet clutch linings in a motorcycle is made of. =
The clutch material in the overdrive is ressembling a bit the organic mater=
ial on classic dry clutches (not sintered or cerametallic) : yellowisch, co=
rk aspect.Marcel
Van: "Duncan Charlton" <duncan.charlton54@gmail.com>
Aan: "fot" <fot@autox.team.net>, "van mulders marcel" <van.mulders.marcel@t=
elenet.be>
Verzonden: Maandag 17 december 2018 13:36:25
Onderwerp: Re: [Fot] bike engine oil for overdrive gearbox?

Does the wet clutch material in a motorcycle resemble the wet clutch materi=
al in the overdrive unit?
Duncan


On Dec 17, 2018, at 2:07 AM, van.mulders.marcel@telenet.be wrote:
Duncan, the gearbox in my racecar (TR4A) is a dogbox, so without synchromes=
h rings,=C2=A0 and I suppose you can compare it to a bike gearbox when cons=
idering what oil can be used.Marcel
Van: "fot" <fot@autox.team.net>
Aan: "fot" <fot@autox.team.net>
Verzonden: Zondag 16 december 2018 23:05:36
Onderwerp: Re: [Fot] bike engine oil for overdrive gearbox?

Don=E2=80=99t most motorcycles that share oil between the engine and gearbo=
x use dog gear engagement? =C2=A0The label on the Honda synthetic motorcycl=
e oil I have been using in my NSU 1200 engine (practically a motorcycle eng=
ine anyhow) touts its favorable effect on dog gears. =C2=A0Of course, that =
left me wondering what its effect on synchromesh would be, so I wondered wh=
ether it would be appropriate for my Mini Cooper S race engine/gearbox comb=
o.
I have have heard good things about Redline Shock Proof Gear Oil=E2=80=99s =
ability to keep gearbox temperatures down:=C2=A0https://www.redlineoil.com/=
shockproof-gear-oils=C2=A0. =C2=A0The literature suggests that it creates l=
ess drag compared to other oils of the same viscosity rating. =C2=A0I use i=
t in the gearbox of the NSU racer but have made no attempt to measure how h=
ot it gets with any type of oil.
DuncanPs:=C2=A0I=E2=80=99ve been using 30 weight non-detergent oil in the M=
oss gearbox in my Morgan but that=E2=80=99s an unusual gearbox with rather =
balky steel synchro materials. =C2=A0The redline product I tried gave about=
 the same shift feel but the synchromesh oil (AC Delco 10-4014) gave a slig=
ht improvement in feel and synchro action. =C2=A0


On Sun, Dec 16, 2018 at 9:25 AM van.mulders.marcel--- via Fot <fot@autox.te=
am.net> wrote:
Like most TR racers I believe that an overdrive gearbox is worth some lapti=
me on most racetracks. But there are some drawbacks :9.5kgs weight penalty =
and the gap between 4th gear and 4th overdrive gear is too big. There is al=
so a considerable amount of power loss when the overdrive is engaged becaus=
e of the friction in the overdrive gears : but I think that in general mode=
rn engine oil can reduce the friction in the overdrive, compared to GL-4 ge=
ar oil, because it has much better friction modifiers. But are these fricti=
on modifiers compatible with the clutch in the overdrive?? Classic Mini's a=
nd most bikes have 1 oil pan for both engine and gearbox : what about using=
 a modern bike oil or a modern (synthetic) classic mini oil in an overdrive=
 gearbox to reduce the friction in the overdrive and gain some acceleration=
 when 4th overdrive gear is engaged?Marcel_________________________________=
______________
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Archive: http://www.team.net/pipermail/fot
arcel@telenet.be



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south.net


 =20
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<html><head></head><body><div class=3D"ydpdab4f43dyahoo-style-wrap" style=
=3D"font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px=
;"><div></div>
        <div>Why not contact Gearvendors and ask what oil they recommend? T=
hey sell a Laycock overdrive for most hot rods and drag cars on the Hot Rod=
 Drag Week event. Most off road racers run their overdrive units. See what =
they use.</div><div><br></div><div>Barry</div><div><br></div>
       =20
        </div><div id=3D"ydpd45cbd6eyahoo_quoted_5338859667" class=3D"ydpd4=
5cbd6eyahoo_quoted">
            <div style=3D"font-family:'Helvetica Neue', Helvetica, Arial, s=
ans-serif;font-size:13px;color:#26282a;">
               =20
                <div>
                    On Monday, December 17, 2018, 8:47:27 AM EST, van.mulde=
rs.marcel--- via Fot &lt;fot@autox.team.net&gt; wrote:
                </div>
                <div><br></div>
                <div><br></div>
                <div><div id=3D"ydpd45cbd6eyiv8758285949"><div><div style=
=3D"font-family:Verdana, Arial, Helvetica, sans-serif;font-size:10pt;color:=
#000000;"><div>I don't know what material wet clutch linings in a motorcycl=
e is made of. The clutch material in the overdrive is ressembling a bit the=
 organic material on classic dry clutches (not sintered or cerametallic) : =
yellowisch, cork aspect.</div><div>Marcel</div><div><br clear=3D"none"></di=
v><hr id=3D"ydpd45cbd6eyiv8758285949zwchr"><div class=3D"ydpd45cbd6eyiv8758=
285949yqt8554894231" id=3D"ydpd45cbd6eyiv8758285949yqt57002"><div><b>Van: <=
/b>"Duncan Charlton" &lt;duncan.charlton54@gmail.com&gt;<br clear=3D"none">=
<b>Aan: </b>"fot" &lt;fot@autox.team.net&gt;, "van mulders marcel" &lt;van.=
mulders.marcel@telenet.be&gt;<br clear=3D"none"><b>Verzonden: </b>Maandag 1=
7 december 2018 13:36:25<br clear=3D"none"><b>Onderwerp: </b>Re: [Fot] bike=
 engine oil for overdrive gearbox?<br clear=3D"none"></div><br clear=3D"non=
e"><div>Does the wet clutch material in a motorcycle resemble the wet clutc=
h material in the overdrive unit?<div class=3D"ydpd45cbd6eyiv8758285949"><b=
r clear=3D"none" class=3D"ydpd45cbd6eyiv8758285949"></div><div class=3D"ydp=
d45cbd6eyiv8758285949">Duncan<br clear=3D"none" class=3D"ydpd45cbd6eyiv8758=
285949"><div><br clear=3D"none" class=3D"ydpd45cbd6eyiv8758285949"><blockqu=
ote class=3D"ydpd45cbd6eyiv8758285949"><div class=3D"ydpd45cbd6eyiv87582859=
49">On Dec 17, 2018, at 2:07 AM, <a shape=3D"rect" class=3D"ydpd45cbd6eyiv8=
758285949" href=3D"mailto:van.mulders.marcel@telenet.be"; rel=3D"nofollow" t=
arget=3D"_blank">van.mulders.marcel@telenet.be</a> wrote:</div><br clear=3D=
"none" class=3D"ydpd45cbd6eyiv8758285949Apple-interchange-newline"><div cla=
ss=3D"ydpd45cbd6eyiv8758285949"><div class=3D"ydpd45cbd6eyiv8758285949"><di=
v class=3D"ydpd45cbd6eyiv8758285949" style=3D"font-family:Verdana, Arial, H=
elvetica, sans-serif;font-size:10pt;"><div class=3D"ydpd45cbd6eyiv875828594=
9">Duncan, the gearbox in my racecar (TR4A) is a dogbox, so without synchro=
mesh rings,&nbsp; and I suppose you can compare it to a bike gearbox when c=
onsidering what oil can be used.</div><div class=3D"ydpd45cbd6eyiv875828594=
9">Marcel</div><div class=3D"ydpd45cbd6eyiv8758285949"><br clear=3D"none" c=
lass=3D"ydpd45cbd6eyiv8758285949"></div><hr class=3D"ydpd45cbd6eyiv87582859=
49" id=3D"ydpd45cbd6eyiv8758285949zwchr"><div class=3D"ydpd45cbd6eyiv875828=
5949"><b class=3D"ydpd45cbd6eyiv8758285949">Van: </b>"fot" &lt;<a shape=3D"=
rect" class=3D"ydpd45cbd6eyiv8758285949" href=3D"mailto:fot@autox.team.net"=
 rel=3D"nofollow" target=3D"_blank">fot@autox.team.net</a>&gt;<br clear=3D"=
none" class=3D"ydpd45cbd6eyiv8758285949"><b class=3D"ydpd45cbd6eyiv87582859=
49">Aan: </b>"fot" &lt;<a shape=3D"rect" class=3D"ydpd45cbd6eyiv8758285949"=
 href=3D"mailto:fot@autox.team.net"; rel=3D"nofollow" target=3D"_blank">fot@=
autox.team.net</a>&gt;<br clear=3D"none" class=3D"ydpd45cbd6eyiv8758285949"=
><b class=3D"ydpd45cbd6eyiv8758285949">Verzonden: </b>Zondag 16 december 20=
18 23:05:36<br clear=3D"none" class=3D"ydpd45cbd6eyiv8758285949"><b class=
=3D"ydpd45cbd6eyiv8758285949">Onderwerp: </b>Re: [Fot] bike engine oil for =
overdrive gearbox?<br clear=3D"none" class=3D"ydpd45cbd6eyiv8758285949"></d=
iv><br clear=3D"none" class=3D"ydpd45cbd6eyiv8758285949"><div class=3D"ydpd=
45cbd6eyiv8758285949">Don=E2=80=99t most motorcycles that share oil between=
 the engine and gearbox use dog gear engagement? &nbsp;The label on the Hon=
da synthetic motorcycle oil I have been using in my NSU 1200 engine (practi=
cally a motorcycle engine anyhow) touts its favorable effect on dog gears. =
&nbsp;Of course, that left me wondering what its effect on synchromesh woul=
d be, so I wondered whether it would be appropriate for my Mini Cooper S ra=
ce engine/gearbox combo.<div class=3D"ydpd45cbd6eyiv8758285949"><br clear=
=3D"none" class=3D"ydpd45cbd6eyiv8758285949"></div><div class=3D"ydpd45cbd6=
eyiv8758285949">I have have heard good things about Redline Shock Proof Gea=
r Oil=E2=80=99s ability to keep gearbox temperatures down:&nbsp;<a shape=3D=
"rect" class=3D"ydpd45cbd6eyiv8758285949" href=3D"https://www.redlineoil.co=
m/shockproof-gear-oils" rel=3D"nofollow" target=3D"_blank">https://www.redl=
ineoil.com/shockproof-gear-oils</a>&nbsp;. &nbsp;The literature suggests th=
at it creates less drag compared to other oils of the same viscosity rating=
. &nbsp;I use it in the gearbox of the NSU racer but have made no attempt t=
o measure how hot it gets with any type of oil.</div><div class=3D"ydpd45cb=
d6eyiv8758285949"><br clear=3D"none" class=3D"ydpd45cbd6eyiv8758285949"></d=
iv><div class=3D"ydpd45cbd6eyiv8758285949">Duncan</div><div class=3D"ydpd45=
cbd6eyiv8758285949">Ps:&nbsp;I=E2=80=99ve been using 30 weight non-detergen=
t oil in the Moss gearbox in my Morgan but that=E2=80=99s an unusual gearbo=
x with rather balky steel synchro materials. &nbsp;The redline product I tr=
ied gave about the same shift feel but the synchromesh oil (AC Delco 10-401=
4) gave a slight improvement in feel and synchro action. &nbsp;</div><div c=
lass=3D"ydpd45cbd6eyiv8758285949"><br clear=3D"none" class=3D"ydpd45cbd6eyi=
v8758285949"></div><div class=3D"ydpd45cbd6eyiv8758285949"><br clear=3D"non=
e" class=3D"ydpd45cbd6eyiv8758285949"><div class=3D"ydpd45cbd6eyiv875828594=
9"><blockquote class=3D"ydpd45cbd6eyiv8758285949"><div class=3D"ydpd45cbd6e=
yiv8758285949"><span class=3D"ydpd45cbd6eyiv8758285949" style=3D"font-famil=
y:Verdana, Arial, Helvetica, sans-serif;font-size:10pt;">On Sun, Dec 16, 20=
18 at 9:25 AM van.mulders.marcel--- via Fot &lt;</span><a shape=3D"rect" cl=
ass=3D"ydpd45cbd6eyiv8758285949" href=3D"mailto:fot@autox.team.net"; style=
=3D"font-family:Verdana, Arial, Helvetica, sans-serif;font-size:10pt;" rel=
=3D"nofollow" target=3D"_blank">fot@autox.team.net</a><span class=3D"ydpd45=
cbd6eyiv8758285949" style=3D"font-family:Verdana, Arial, Helvetica, sans-se=
rif;font-size:10pt;">&gt; wrote:</span></div><div class=3D"ydpd45cbd6eyiv87=
58285949"><div class=3D"ydpd45cbd6eyiv8758285949"><div class=3D"ydpd45cbd6e=
yiv8758285949" style=3D"font-family:Verdana, Arial, Helvetica, sans-serif;f=
ont-size:10pt;"><div class=3D"ydpd45cbd6eyiv8758285949"><div class=3D"ydpd4=
5cbd6eyiv8758285949gmail_quote"><blockquote class=3D"ydpd45cbd6eyiv87582859=
49gmail_quote" style=3D"margin:0px 0px 0px 0.8ex;border-left:1px solid #ccc=
ccc;padding-left:1ex;"><div class=3D"ydpd45cbd6eyiv8758285949"><div class=
=3D"ydpd45cbd6eyiv8758285949" style=3D"font-family:Verdana, Arial, Helvetic=
a, sans-serif;font-size:10pt;"><div class=3D"ydpd45cbd6eyiv8758285949">Like=
 most TR racers I believe that an overdrive gearbox is worth some laptime o=
n most racetracks. But there are some drawbacks :9.5kgs weight penalty and =
the gap between 4th gear and 4th overdrive gear is too big. There is also a=
 considerable amount of power loss when the overdrive is engaged because of=
 the friction in the overdrive gears : but I think that in general modern e=
ngine oil can reduce the friction in the overdrive, compared to GL-4 gear o=
il, because it has much better friction modifiers. But are these friction m=
odifiers compatible with the clutch in the overdrive?? Classic Mini's and m=
ost bikes have 1 oil pan for both engine and gearbox : what about using a m=
odern bike oil or a modern (synthetic) classic mini oil in an overdrive gea=
rbox to reduce the friction in the overdrive and gain some acceleration whe=
n 4th overdrive gear is engaged?</div><div class=3D"ydpd45cbd6eyiv875828594=
9">Marcel</div></div></div>_______________________________________________<=
br clear=3D"none" class=3D"ydpd45cbd6eyiv8758285949">
<a shape=3D"rect" class=3D"ydpd45cbd6eyiv8758285949" href=3D"mailto:fot@aut=
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