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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