Hi Bruce
Don't know about your cable. As to the gearbox oil the original spec for the
o/d was hypoid w75 to refill and hypoid w90 to top up. Yes the modern grades
GL4, GL5 do contain something that attacks the brass/bronze bits. though
what sort of time period we are talking about I don't know (sure someone
will). I usually refill my boxes with hypoid 80 w85 or 85w90 (cant recall
which of the two ratings is right without going to the garage) I buy this by
the gallon (5 litres) at the moment as my A type loves to waste it (building
a box with J type soon). These boxes require the extreme pressure protection
provided by the hypoid oil so I don't think engine oil would be a good idea,
there is probably some underlying cause for the slow engagement. My A type
doesn't like the fact that a gearbox "expert" built the box up using
excessive quantities of blue hylomar, I have already removed one
filter/strainer full of the stuff and the overdrive worked well but I think
it must be full again as it now takes about a mile to come in.
Sorry to digress,
Graham.
----- Original Message -----
From: bruce britt <bebritt@gate.net>
To: Triumph Mailing List <triumphs@autox.team.net>
Sent: Monday, January 24, 2000 9:58 PM
Subject: Tr 4-Speedometer Cable & O/D Lube
>
> Listers,
>
> Sorry to start this thread, but how far is the inner core
> supposed to stick out of the speedometer end of the housing?
> Seems I remember in the past someone mentioning new
> cables may have to be trimmed, to keep from putting too
> much pressure on the magnet.
>
> I really hate to mention this, but I'm confused on the proper Lube to
> put in my O/D-Transmission. I drained out whatever was in it, and put in
> valvoline 85-90 gear lube. GL4, GL5 rating. After about a 1000 miles or
> so my O/D started taking a long time to engage. I've heard/read to use
> engine oil, that gear lube has sulphur or something that damages internal
> parts made of certain materials.
>
> TIA,
>
> Bruce 64 TR 4 CT-37049LO
> bebritt@gate.net
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