Once the coolant temp. is above the control point of the thermostat, the
thermostat is wide open & no longer in control of the coolant temperature. I.
E. a 160 degree thermostat will not keep your coolant any cooler than a 180
thermostat once the coolant temp is above 180 degrees. At or above 160
degrees coolant temp. the 160 degree thermostat is wide open. Above 180
degrees they are both wide open.
Gary Hodson
-----Original Message-----
From: Randy Hicks <Healey100M@gmail.com>
To: BJ8 Healeys <sbyers@ec.rr.com>
Cc: 'Healey List' <healeys@autox.team.net>
Sent: Tue, Feb 5, 2013 7:12 pm
Subject: Re: [Healeys] Radiator cap thermostat combinations
Well...., I thought it was just my car but I am getting the same temps as
Steve. 160 degree Moss did not help in summer. I also have a recored upgraded
radiator.
I run a 180 degree thermostat (from Kees) in the 100M and it is fine. Looks
like I'll put the 178 degree thermostat (also from Kees) in the BJ8 before
the
trip from MA to Southeastern (FL) in April.
Sorry Kees! Got anymore? :-)
Randy
On Feb 5, 2013, at 12:01 PM, "BJ8 Healeys" <sbyers@ec.rr.com> wrote:
> My experience agrees with Randy's. A 160-deg. Moss thermostat made my car
> run too cold in winter and I even had to block the radiator with cardboard
> to get the engine up to temp. But the 160 also allowed the engine to run
at
> 200-deg. in summer. I bought a 187-deg. NOS AC sleeved thermostat from
Kees
> and now my BJ8 runs at 190 in winter and summer (I also have a re-cored
> radiator with a more-efficient modern core).
>
> Steve Byers
> HBJ8L/36666
> BJ8 Registry
> Havelock, NC USA
>
> -----Original Message-----
> From: healeys-bounces@autox.team.net
[mailto:healeys-bounces@autox.team.net]
> On Behalf Of Randy Hicks
> Sent: Tuesday, February 05, 2013 10:24 AM
> To: Healey List
> Subject: Re: [Healeys] Radiator cap thermostat combinations
>
> I have the Moss sleeved unit that I bought a couple years ago. They are 160
> degree and the BJ8 calls for a running temperature of 180 degree.
>
> The 160 degree seems low, especially on cool/cold days when I can't even
get
> to 160 degrees. Never understood why they don't make a 180 degree version.
>
> Randy
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