Bob,
I had good results with a small cooking thermometer tie-wrapped to the upper
radiator hose. Drive around until you think it is hot enough, and then see
what it reads. (The outside of the hose has got to be close to the temp of the
coolant.) The temp sender was bad in my car when i got it, and immediately
read HOT when the key was turned on. I used the small thermometer to confirm i
was not overheating. A new sender fixed the problem. I believe Radio-Shack
sells several outdoor thermometers with remote sensors. You can jam one of
those under the hood and have the readout on the dash.
Good luck!
donny v
1978 MGB
-----Original Message-----
From: Bob Donahue <bobmgtd@insightbb.com>
To: mgs <mgs@autox.team.net>
Sent: Fri, 16 Dec 2005 11:00:39 -0500
Subject: Re: Engine running too cold
I'm starting to think my cold engine isn't really that cold. As I mentioned, I
covered my radiator completely. Yesterday I took a 50 mile trip in 32 degree F
weather. The temperature gauge stayed just above the 'N' the whole way. After I
parked a plum of steam billowed from under the hood. Fortunately, it was coming
from the overflow hose, not a leak. I'm thinking this behavior shouldn't happen
with the needle only a smidge above 'N'. How can I check the calibration of my
temperature gauge? (It's easy on the TD since you can remove the cap any time,
and stick a thermometer in.)
Bob Donahue (Still Stuck in the '50s)
Email - bobmgtd@insightbb.com
Cars: 52 MGTD - #17639
71 MGB - #GHN5UB254361
Member: NEMGTR #11470
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