Paul,
My experience with my '72 MGB-GT is similar to Bob Donahue's. Fitted
with a 195F thermostat, the gauge will not reach N with ambient temps
below 50F unless part of the radiator is blocked. When the gauge
indicates N, the water temp at the top of the radiator is 195F. Driving
around this weekend, with ambient temps in the 70-75 range, the needle
was at N as soon as the engine was warmed and stayed there steadily.
Mine does not require choke except for starting and, perhaps, the first
hundred yards of driving.
This car has a radiator with an additional row in the core.
Bob
On Wed, 5 Jun 2002 16:34:48 +0100 "Telewest \(PH\)"
<paul.hunt1@blueyonder.co.uk> writes:
> This just implies that either that stat is stuck open or opening too
> early
> (new stat noted) or the gauge is reading low. Even in ambients
> around
> freezing mine runs at N without blanking anything off.
>
> ----- Original Message -----
> From: "Bob D." <bobmgtd@insightbb.com>
> To: <mgs@autox.team.net>
> Sent: Wednesday, June 05, 2002 1:13 AM
> Subject: Re: radiator mystery
>
>
> > It's ironic that I have the opposite problem. The only time the
> gauge on my '71 runs on the "N" is when it's hot outside. Even in a
heat wave
> the gauge stays glued on "N". But if it's cool, it won't reach "N". In
fact
> if it's below 50 deg F, I have to either cover part of the radiator
with
> cardboard to get the temp up or run with the choke out. (I think the
fact
> that the engine needs choke just to keep from dying, proves that the
engine
> really is too cold.)
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