Your Right ,The trany needs sufficient break in before synthetics are used .
Same as in the engine .
steve
datsunmike wrote:
> The later 5 speeds also have a different gear case (stronger) that looks
> like the 1600 boxes (with a lot of little boxes).
>
> I was surprised when I opened the box to find a servo tranny. I don't think
> you'll know what you have until you open it up.
>
> Dick Tillinger who rebuilt my 5 speed suggested using dino oil in the servo
> boxes until the synchros broke in - usually 1,000 miles or so.
>
> Mike
>
> ----- Original Message -----
> From: "Steve Ehlers" <stevenehlers@charter.net>
> To: "Brad Holmes" <bholmes@monk.aum.edu>
> Cc: <datsun-roadsters@autox.team.net>
> Sent: Thursday, November 21, 2002 10:27 PM
> Subject: Re: what is a syncro?
>
> > Hey Brad ,
> > See your edited letter .
> > steve
> >
> > Brad Holmes wrote:
> >
> > > Steve
> > > Just so I understand, I have a '68 - 2k so it has
> > > the Servo type and I have a '70 - 2k and it would have the
> > > Warner brass type(?) Is that correct?
> >
> > Yes ,Most likely but anything can have happened in the last 32-34 years
> ( or
> > what ever amount before you owned them ).This is what I've seen in the
> last
> > 28 years of working on them .As far as Mike said ,there may be early 70
> models
> > with servo ,but most any 70 model came from japan with Brass that I've
> been involved
> > with .
> >
> > > - Can you replace the old trans fluid with the synthetic fluid with
> > > either type of syncro?
> >
> > YES , Please do for much better shift quality and life .
> >
> > > - Do you have to do anything to the trans before using the synthetic?
> >
> > NO
> >
> > > - Can the servo snycro be used to replace the Warner snycros?
> >
> > Well ,Yes and no .You can not interchange .You must use All of the gears
> and syncros .
> > Basically all the internals .So really it's not even an option .Just that
> you could make a
> > good trany out of 2 if you had both to start with .Also as some other list
> person said ,
> > ALL Datsun 5 speeds ,roadster and Z till 1980 had servo 5 th gears .
> >
> > > - If yes, are there any changes needed to convert to the Servo type?
> > >
> > > Thanks
> > >
> > > Brad Holmes
> > > SEROC
> > > Montgomery, AL
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