I don't see a problem here, unless you're saying that this is radically
different behavior than in the past.
"A little above the N" is certainly nothing to worry about, considering you
don't even know precisely what temperature "N" represents.
When it actually hits the "H", or blows steam out of the radiator cap, then
you have a cooling issue. Otherwise, the needle goes up and down, depending
on conditions -- these aren't like modern cars where the temperature gauge
never budges year-round.
If you think you'd be more comfortable with a steady needle, though, I'd put
in a 180 thermostat. In my experience, they aren't going to operate at a
steady 165 in summer, anyway, so you might as well go with the flow. And
that way you might actually get some warmth out of the heater at night on
the highway.
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the primer red one with chrome wires
on 6/20/07 6:47 PM, Matthew Milkevitch at mmilkevitch@yahoo.com wrote:
> Fellow Listers;
>
> I have a cooling issue with my '74 MGB-GT, and I was wondering if anyone had
> any input as to the cause.
>
> The basic problem is this: The past couple of days have been fairly hot here
> in Philadelphia. Running my BGT with a 165 deg F thermostat, the car seems to
> run a little hot (in my opinion). The needle on the temp gauge is a little
> above the "N." When I sit in traffic, the temp goes up some more, maybe 1/2
> way between "N" and "H." It comes down a little when I get going.
>
> Recently, I drained the radiator, had it cleaned out and checked....and I
> re-installed it with fresh hoses (one was leaking some) and a new thermostat.
>
> Today, it was in the low 80's in Phila...very dry and nice. I ran the car
> and it pretty much did the same thing!
>
> Any insights? I have yet to check the water pump. The temp sender could
> also be suspect.
>
>
> Thanks for all your help,
> Matt Milkevitch
> '74 MGB-GT
> Willow Grove, PA
>
>
>
>
>
> Today's weather in Philadelphia was in the low 80's with low humidity (quite
> a nice day).
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