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[Healeys] Bellows Thermostats

Subject: [Healeys] Bellows Thermostats
From: bspidell at comcast.net (Bob Spidell)
Date: Mon, 4 Sep 2017 10:22:27 -0700
References: <963C5674CE374B50AC12785412191771@AllInOne> <CAFBXTkKJ4hSm5YfDxgDaJKyzi=mQ_PdEGb689jLoSPSrC3Zt8g@mail.gmail.com>
Slightly OT, but I think we owe Moss--in particular, Michael Grant, who 
I believe writes most of them--some gratitude for producing these tech 
tip docs.? They have really helped me out several times; I just found 
one that explains an ingenious--one of those techniques that has you 
slapping your forehead because you didn't think of it--way to set the 
'steady posts' in drum brakes correctly.

If you make a phone order from Moss you might mention how helpful they 
are, so they keep them coming.

Bob


On 9/3/2017 11:19 PM, Alan Seigrist wrote:
> Hey Harold -
>
> With the bellows type thermostat, your car will definitely heat up 
> faster and run cooler, but the bellows type isn't ideal because when 
> it fails, it fails in the closed position.
>
> Here's a good article explaining which type you want.? Moss 434-155 is 
> a better unit, but only available in 160 deg (I think).? For six 
> cylinder cars 160 deg thermostat is good enough for most climates 
> south of the mason dixon line.
>
> http://www.mossmotors.com/graphics/products/PDF/434-155.pdf
>
> Best,
>
> Alan
>
> On Mon, Sep 4, 2017 at 12:16 AM, Harold Manifold <manifold at telus.net 
>
>     Hello,
>     I am in the process of putting my AH 3000 engine back together and
>     went looking for a recommendation for the engine thermostat. I was
>     expecting to find a recommendation for the opening temperature but
>     instead found information that recommends a bellows type
>     thermostat should be used and the bellows is important or some of
>     the coolant can bypass the radiator when the thermostat opens. If
>     a bellows type thermostat is recommended is the correct type
>     either the Smiths 85025 series or the AC Delco TF series? Is there
>     a modern replacement bellows type thermostat that fails in the
>     open position?
>     Your comments and insight is welcomed.
>     Harold
>     1960 BT7
>

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