[DMCForum] Re: Synthetic 20W-50 motor oil for the tranny?
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[DMCForum] Re: Synthetic 20W-50 motor oil for the tranny?

Wow, the gains are that small?  :(  I'm thinking about autocrossing
(heard rumors that there are some good tracks in central FL), but
hundredths are a drop in the bucket.  Also, rebuilding that tranny
is something I'd like to stay away from!  I know nothing about it,
just what I see in the parts manual.

Speaking of, I always thought the D was limited slip because it has
shafts on both sides... but in the parts manual it looks like "one-
wheel-wonder drive".  Which is correct?

--- In DMCForum@xxxxxxxxxxxxxxx, "Andrei Cular" <andreic@xxxx> wrote:
> A few racers I know will run thinner motor oil.  However these are
> transmissions that get rebuilt every couple hundred miles.
> What kind of performance driving are you doing that you are
worrying about
> the viscosity in the transmission?  If you are not 100% track use
> competing at a level where hundredths of a second could be the
difference of
> winning, I would stick with 80-90 dyno oil. You can try synthetic
but when I
> switched my ghia and Z over they both started shifting really
ruff.  And if
> you run synthetic in an older Porsche limited slip diff it wont
work, it was
> designed for less slick oil.
> Andrei
> ----- Original Message -----
> From: "thomaspaulmccoy" <thomaspaulmccoy@xxxx>
> To: <DMCForum@xxxxxxxxxxxxxxx>
> Sent: Friday, January 30, 2004 8:41 PM
> Subject: [DMCForum] Synthetic 20W-50 motor oil for the tranny?
> Has anyone tried this before?  Any reason NOT to go this route? 
> factory recommended 80 weight oil just seems too thick for
> performance driving, and I know (for the engine) 5W-30 makes a
> difference... so why not go thinner in the tranny, too?
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