replace your temp sender located on the passenger side of the head in the
front. Basically looks like a nut with a wire coming out of it. ~$6
Chris Reichle
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From: mgs-owner
To: mgs
Cc: ulix
Subject: Re: Timing causing overheating?
Date: Tuesday, July 22, 1997 8:51PM
On 7-22-97, ulix said:
>I think you should first calibrate your gauge by immersing the sending
>unit into a pot of water together with a kitchen thermometer (or the like)
>and heating the water. Write down what reading corresponds to 190, 200,
>210, etc. If you don't have a thermometer, boil the water and it will be
>212 degrees.
>After you have done this, you know you are not chasing a nonexisting
>problem.
Well today I borrowed a lab thermometer from work, checked it with boiling
water in a beaker, it check out OK, so I brought it home. I started my car
(MGA) and let it run at around 2,000 RPM for about 10 to 15 minutes. I then
removed the radiator cap, which I had left loose, and placed the thermometer
into the antifreeze. My temperature gauge was reading just below 212 deg. F
and the lab thermometer read 84 deg. C, which is well below 212 deg. F. If
this is an accurate way to compare the two, then I guess I have a problem
with my temperature gauge, and not the coolant system, which is good news.
How is the gauge calibrated at this point?
Scott Helms
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