Yes it's normal. The gears should have a squared off edge on them and not be
sharp or pointed.
I would replace the synchros, especially 2nd and make sure 5th gear is
either welded or splined. Also take measurements of the end play of the
gears as wear does occur. Nissan makes thrust washers/snap rings of varying
thicknesses. I know my clearances were off in 2 4 speeds I had and the gaps
on my 5 speed were off also.
Mike
----- Original Message -----
From: "John Hogan" <mad@madgrizzle.com>
To: <datsun-roadsters@autox.team.net>
Sent: Sunday, February 24, 2002 5:49 PM
Subject: Synchro teeth question
> I just opened up my transmission (5-speed) to do an inspection and
> everything actually looks very good to my completely untrained eye. This
> is actually the first transmission I've seen (opened up and revealed).
The
> gears and everything look good and I see no signs of wear. However, I
> noticed something that is really interesting. On EACH synchro (I have
> "servo" type), there are two teeth in a row missing. Is this normal for
> these synchros? I just seems too much of a coincidence for it to be
wear.
>
> Thanks
>
> John Hogan
> 1967.5 Datsun 2000 SRL311-00141 "Solex"
> www.madgrizzle.com
> SEROC
>
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