> I know ther are no stupid questions but what is a CB or RB car? I have
> never heard of those identifiers before
> Safety Fast!!
> Ross Overcash, 74B, NAMGBR 2-1172, Ayer, MA
> > -----Original Message-----
> > From: firstname.lastname@example.org [mailto:email@example.com]On
> > Behalf Of Bert Palte
> > Sent: Wednesday, April 22, 1998 3:09 PM
> > To: Mike Lishego
> > Cc: firstname.lastname@example.org
> > Subject: Re: OD Speedo numbers
> > At 13:20 22-04-1998 -0400, Mike wrote:
> > >Is there a numeric difference between a regular and overdrive
> > speedometer?
> > Straight from memory, without checking, Mike. (I've had my OD gearbox in
> > cartons for about two years, now... Still not under the car...
> > Lack of time...)
> > For GHN5-cars the (gear ratios of the speedo) gears in the gearbox (or,
> > at the rear of the OD) are different, depending only on whether you have a
> > CB or RB car.
> > AFAIK when you change from a non-OD to an OD box from the same
> > 'group'(i.e.
> > CB OR RB), you don't need to change the speedo.
> > When you change from a CB non-OD box to a RB OD-box (like I did,
> > or rather,
> > intend)
> > you have to change either the speedo or the gears. (I chose for
> > the latter).
> > The difference in speedo indictation is then only 1 percent, that is,
> > negligible.
> > >In a similar vein, can anybody tell me the approximate weight of an
> > >overdrive transmission, without fluid?
> > Ball park figure, without checking, about 100 lbs / 45 kg
> > Bert
> > who has a CB MGB and a RB OD box,
> > thus now having the speedo gears for a RB OD box available for
> > whoever needs them....
CB - chrome bumper
RB - rubber bumper