[Roadsters] gear box type--was Trany fluid

[Gordon Glasgow]

While Dann is basically correct about not being able to rely on the cases to
tell which type of box you have, I have five transmissions in my garage at
the moment. Three have the early style case
(http://www.gordon-glasgow.org/Trans/Early_style_case_1.jpg and
http://www.gordon-glasgow.org/Trans/Early_style_case_2.jpg) and the other
two have the later-style case
(http://www.gordon-glasgow.org/Trans/Late_style_case_1.jpg and
http://www.gordon-glasgow.org/Trans/Late_style_case_2.jpg).

All of the early-case boxes are servo synchro and both of the later-case
boxes are Borg-Warner. I'm not saying you can rely on that, but it is
consistent in the boxes that I have. But the only way to tell for sure is to
look inside.

This is what the servo-style looks like when you look through the fill hole
in the side: http://www.gordon-glasgow.org/Trans/Servo_synchro_1.jpg.

I tried to take a picture of the BW style but my camera wouldn't get a good
image, so I had to resort to a shot of a junk BW gearset that I have lying
around: http://www.gordon-glasgow.org/Trans/Borg_Warner_synchro_1.jpg.

Of course you can't really get a good view through the fill hole when the
trans is in the car.

Gordon Glasgow


-----Original Message-----
From: datsun-roadsters-bounces at autox.team.net
[mailto:datsun-roadsters-bounces at autox.team.net] On Behalf Of Paul Courson
Sent: Thursday, August 02, 2012 5:07 AM
To: Tim
Cc: datsun-roadsters at autox.team.net
Subject: Re: [Roadsters] gear box type--was Trany fluid

Do you mean Borg vs. Servo type synchros?

Dann Bramhall at Rallye has a good description on his website. Look under
rebuild kits.
On Aug 2, 2012 7:25 AM, "Tim" <tputland at charter.net> wrote:

> Is there an easy way to determine what type (syncro) transmission you
have?
>
> I will be using the 5 speed from my (now being parted out) 70 2000 in 
> my stroker if we ever get it done. (ran into yet another problem with 
> the "ready to run" race head I got.)
>
> Or does the tranny have to be opened up by someone who knows these boxes?
>
> Thanks
> tim
>
>
> On Wed, Aug 1, 2012 at 5:05 PM, Robb Pynes wrote:
>
>  Hey all,
>>
>> I have a brass syncro 5 speed 70 Datsun Roadster Tranny
>>
>> What type, brand, weight oil is recommended, (newly rebuilt)
>>
>> Thanks
>> Robb
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