with all the talk about mech. oil gauges, what are our options for mech.
temp gauges to match. I have a '71B and am planning to swap in the oil
gauge next time I feel adventurous, but what about a mechanical coolant
gauge? Preferably with numbers instead of C/N/H.
james
----- Original Message -----
From: David Councill <dcouncil@imt.net>
To: james <jamesnazarian@netzero.net>; Dodd, Kelvin <doddk@mossmotors.com>;
<mgs@autox.team.net>
Sent: 20 May, 2002 8:44 PM
Subject: Re: oil pressure guage
> Now that I think about it - and maybe its relevant to the whole question I
> brought up - is that I've always had this habit of tapping on the side of
> the oil pressure gauge on both my 71BGTs. Typically this would be at
> cruising speed when the oil pressure would run a bit low (~60 psi) and
> tapping on the gauge would cause a slight increase (to maybe ~70 psi). I
> don't ever recall doing that with my 67BGT or the 65B I had in college.
>
> It looks like I'll go with the mechanical gauge when I get my 72B
> assembled, which is at least a couple of months away, maybe longer.
>
> David
>
>
> At 08:28 PM 5/20/2002 -0600, james wrote:
> >IMO, part of my decision would be because of the slow reaction of the
> >electric gauge. I have heard them referred to, more than once, as
pressure
> >indicators (yes/no) rather than gauges. It is hard to know, after 30
years
> >what pressure you really have, versus what the electric gauge is telling
> >you. Since it is an electrical signal, I would expect the condition of
the
> >wiring to/from the gauge to make a big difference in your reading.
> >
> >james
> >
> >----- Original Message -----
> >From: Dodd, Kelvin <doddk@mossmotors.com>
> >To: 'David Councill' <dcouncil@imt.net>; <mgs@autox.team.net>
> >Sent: 20 May, 2002 9:43 AM
> >Subject: RE: oil pressure guage
> >
> >
> > > David:
> > >
> > > I don't have an answer as to why MG changed to the mechanical guage,
> > > it could have been warranty related.
> > > The electrical sender did have a high failure rate and was extremely
> > > expensive to replace. I'm remembering about $95.00 from the dealer
back
> >in
> > > the 80s. It was discontinued by Smiths, so many owners had to do
without
> >or
> > > convert to mechanical.
> > >
> > > There are a couple of repros out on the market now which are
> > > reasonably priced and seem to be dependable so 68-71 owners don't have
to
> > > scrounge used units, or convert.
> > >
> > >
> > > You are correct, the flex line connects to a fitting on the
> > > firewall, instead of the sender unit. The block fitting is the same.
> > >
> > > The mechanical units are pretty dependable and as accurate as
> > > necessary. Be sure to replace the leather seal at the guage if you
undo
> >the
> > > copper line.
> > >
> > >
> > > K.
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