[Mgs] you know you need a proper stat when...

[mgbob at juno.com]

Right-I was thinking TD and wrote MGB.

---------- Original Message ----------
From: Richard Ewald <richard.ewald at gmail.com>
To: "mgbob at juno.com" <mgbob at juno.com>
Cc: awhitema at panix.com, mgs at autox.team.net
Subject: Re: [Mgs] you know you need a proper stat when...
Date: Tue, 29 Mar 2011 19:22:58 -0700

Early MGBs have a mechanical sensing bulb in the cylinder head, not in the
rad.


On Tue, Mar 29, 2011 at 12:02 PM, mgbob at juno.com <mgbob at juno.com> wrote:
 Aaron, &#65533; If yours is an early MGB with its temperature probe in the
upper
 radiator tank, being a bit low on coolant can affect the reading as the
probe
 must be in the liquid. &#65533; Later cars have the electric sender in the
head, so
 being a pint low is unlikely to affect the reading on the gauge.Bob

 ---------- Original Message ----------
 From: Aaron Whiteman <awhitema at panix.com>
 To: Paul Hunt <paul.hunt1 at blueyonder.co.uk>
 Cc: MG Mailing List <mgs at autox.team.net>
 Subject: Re: [Mgs] you know you need a proper stat when...
 Date: Mon, 28 Mar 2011 19:40:06 -0700

 On Mar 28, 2011, at 12:58 AM, Paul Hunt wrote:

 > 160 and 180 are about 1/4" apart on the temp gauge. &#65533;If your gauge
never or
 barely got off the end-stop then the stat that is in is faulty, pure and
 simple. &#65533;I agree that changing to a 'summer' stat is pointless, in
most MGBs
 the stat will be fully open anyway regardless of its value.

 Eep! &#65533;So it's not the thermostat after all.

 I pulled it tonight and it says "88*" on the side. &#65533;Since it's a
german
 brand,
 I assumed 88C, which is 190F. &#65533;Using the pan-o-water testing method,
I
 verified it opened at 86C and closed correctly too.

 I noted that when I put the coolant back in, it wasn't quite reaching the
top
 of the core, so I added some more. &#65533;Maybe a pint, probably less.
&#65533;Would this
 be enough to cause erratic readings? &#65533;I'll be doing the "drive some,
stop and
 check temp, drive some more, repeat" process soon enough. &#65533;Glad I have
that
 infrared thermometer!

 --
 Aaron
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