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No, ZDDP is not necessary in the transmission. Its function in the =
engine is to lubricate the tappets.
--
Max Heim
mvheim@sonic.net
> On Jan 28, 2020, at 11:40 AM, Michael MacLean via Mgs =
<mgs@autox.team.net> wrote:
>=20
> I know all the manuals say to use 20w-50 motor oil for the =
transmission. Most of those manuals were written back when Castrol GTX =
20W-50 was formulated differently. Does the new lower ZDDP content make =
a difference in the transmission? I have a regular 4-speed trans in my =
69 GT. The car is new to me and I would like to start from scratch with =
all the fluids in the car. Probably not a good idea to even get into =
what engine oil to use.
> Mike MacLean
> _______________________________________________
>=20
> Mgs@autox.team.net
> Donate: http://www.team.net/donate.html
> Suggested annual donation $12.75
>=20
> Archive: http://www.team.net/pipermail/mgs =
http://autox.team.net/archive
>=20
> Unsubscribe: =
http://autox.team.net/mailman/options/mgs/mvheim@sonic.net
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<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D"">No, ZDDP is not necessary in the transmission. Its function =
in the engine is to lubricate the tappets.<div class=3D""><br =
class=3D""><div class=3D"">
<div class=3D"">--</div><div class=3D"">Max Heim</div><div class=3D""><a =
href=3D"mailto:mvheim@sonic.net"; class=3D"">mvheim@sonic.net</a></div><div=
class=3D""><br class=3D""></div><br class=3D"Apple-interchange-newline">
</div>
<br class=3D""><div><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Jan 28, 2020, at 11:40 AM, Michael MacLean via Mgs <<a =
href=3D"mailto:mgs@autox.team.net"; class=3D"">mgs@autox.team.net</a>> =
wrote:</div><br class=3D"Apple-interchange-newline"><div class=3D""><div =
class=3D""><div class=3D"yahoo-style-wrap" style=3D"font-family:times =
new roman, new york, times, serif;font-size:16px;"><div dir=3D"ltr" =
data-setdir=3D"false" class=3D"">I know all the manuals say to use =
20w-50 motor oil for the transmission. Most of those manuals were =
written back when Castrol GTX 20W-50 was formulated differently. Does =
the new lower ZDDP content make a difference in the transmission? =
I have a regular 4-speed trans in my 69 GT. The car is new to me =
and I would like to start from scratch with all the fluids in the =
car. Probably not a good idea to even get into what engine oil to =
use.</div><div dir=3D"ltr" data-setdir=3D"false" class=3D"">Mike =
MacLean<br =
class=3D""></div></div></div>_____________________________________________=
__<br class=3D""><br class=3D""><a href=3D"mailto:Mgs@autox.team.net"; =
class=3D"">Mgs@autox.team.net</a><br class=3D"">Donate: =
$12.75<br class=3D""><br class=3D"">Archive: =
http://www.team.net/pipermail/mgs http://autox.team.net/archive<br =
class=3D""><br class=3D"">Unsubscribe: =
http://autox.team.net/mailman/options/mgs/mvheim@sonic.net<br =
class=3D""></div></blockquote></div><br class=3D""></div></body></html>=
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