Remember, coolant in the block is under pressure and therefore boils at a
different temperature. And the bulb may be calibrated for being
pressurized, although I don't know how that would affect it. My guess is,
as long as it shows some response, it's worth trying in the car.
Carl French had this to say:
>So, when taking everything out of the engine bay this fall for the
>rebuild I knackered my capillary tube for the water temp sender. I have
>gotten one for free that I can cannibalize (broken glass, needles took a
>slight knock) So I straightened out the needles and gave it the hot
>water test. with a full boil I only got the needle to 'just' after 'N'.
>This does not seem far enough for a rolling boil on the stove. Am I
>right that this is toast or needs further work or is there something
>about water, physics, and the gauge I do not understand.
>Carl
>
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the red one with the silver bootlid.
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