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Re: Re: Overdrive

To: british-cars@autox.team.net
Subject: Re: Re: Overdrive
From: kyt@wg.icl.co.uk (Kai Tsang)
Date: Mon, 18 Jul 94 09:15:55 BST
Dan Ness wrote

> Date: Sat, 16 Jul 1994 11:57:43 -0400 (EDT)
> From: Dan Ness <MORRISGARAGE@delphi.com>
> Subject: Re: British Cars Digest #1292 Sat Jul 16 01:15:01 MDT 1994
> 
> > I always thought it was very straightforward to put in an O/D
> > transmission.  The wiring is all there - you just need to hook it up.
> > The driveshaft is a different length.  I have put several into MGB's
> > that did not have them.  

original documents edited out

> Hmmmm, this is very interesting.  I have a similar problem that I have
> tried to fix but have not had much luck.  I have a 1965 RHD MGB that has
> an overdrive transmission, ( my switch is located on the dash ).  I have
> never been able to get the OD to work properly.  The OD unit will not
> engage unless there is no torque on the engine, which basically means that
> it will engage when going downhill on the highway but as soon as I touch
> the gas it disengages.  I have always had a hunch that it is some type of
> vacuum, but have never been able to get an answer as to how to fix it. 
> The car is relatively new for me and all I did was drain the fluid and 
> refill it.  Any suggestions are *greatly* appreciated.  How can this 
> problem be fixed?  Does the OD unit need rebuilding....;-(
> 
> Dan

The MGB Overdrive unit uses 20/50 oil.  However I have heard stories about
how some modern 20/50 oils (eg. GTX) are not suitable for it (the modern stuff
is too good).

I have a 1968 RHD MGB and don't have this problem at all.

Just my 2 pennies worth.....:->

Kai


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