[Healeys] Thermostats

[Kees Oudesluijs]

Another original Smiths 85025/86 thermostat in Denmark:

http://www.veteranposten.dk/visAnn.asp?Id=288474

Less than $10 plus shipping. Danes usually have a good command of English.

Kees Oudesluijs


Op 10-9-2018 om 21:44 schreef BJ8Healeys:
>
> Fred, I personally believe a 160-deg. F thermostat used in an effort 
> to "cool down" a Healey is useless.  A thermostat responds only to the 
> temperature of the coolant flowing through it by opening up to 
> increase coolant flow, and once it is open all the way at 160+, it is 
> out of the loop and can't open further to cool more.  I am on the NC 
> coast where winters are mild.  I once tried a 160 (non-sleeved) 
> because I had one that someone gave me.  My BJ8 ran so cold that 
> winter that I actually had to block part of the radiator to raise it 
> to anywhere near normal.  Up there in the NC mountains, that would be 
> even more of a problem for you.
>
> I use a 187 F (86 C) New Old Stock AC sleeved thermostat (AC part 
> number 1572320) that I was able to score from lister Kees Oudesluijs.  
> I installed it along with an upgraded core in the radiator at the same 
> time, so I can't really say how much improvement the thermostat alone 
> did; but since the modification my car runs consistently at 170 - 180 
> in the hot summers of the NC coast, except when in stop-and-go traffic 
> when it might make it to 190 or a bit above.  In winter, it runs at 
> 160 - 170.  I can see the sleeve operate as the car warms up because 
> the gauge will cycle between 160 and 190 until coolant temperature 
> stabilizes.  That can take up to 50 miles.
>
> A friend placed an order later with Kees for several of the 190 F 
> sleeved thermostats.  I got one of those as a spare.  Don't know if he 
> has any left, or can get more.  As far as I know, the only sleeved 
> thermostats available from the usual suspects are 160s and I wouldn't 
> waste my money on them.
>
> I just Googled the AC part number and came up with this source:
>
> *https://tinyurl.com/y9c6n53h*
>
> Unfortunately, it does not post to the USA (but on the bright side, it 
> offers free shipping!). Maybe you could work out a deal with a UK 
> lister to buy one for you and ship it to you.  £19.99 = $26.04
>
> Steve Byers
>
> HBJ8L/36666
>
> BJ8 Registry
>
> AHCA Delegate at Large
>
> Havelock, NC
>
> *From:*Healeys [mailto:healeys-bounces at autox.team.net] *On Behalf Of 
> *Fred Wescoe
> *Sent:* Sunday, September 09, 2018 8:38 PM
> *To:* healeys
> *Subject:* [Healeys] Thermostats
>
> Listers,
>
> I have researched what I can of the archives and other sources and am 
> still puzzled.  I cannot find any real answers and direction on the 
> question of which thermostat I should use in my 66 BJ8.  Some answers 
> indicate a sleeved thermostat and others say no sleeve. Some say a 
> short sleeve and others say only the long sleeve works.  Some answers 
> indicate using a 160 degree thermostat while others propose 180 
> degrees and even 190 degrees.  Some even say the Moss sleeved 
> thermostat does not work.
>
> I am in North Carolina and drive the car most of the year.  Right now 
> the car has a non sleeved 190 degree thermostat.  The car starts and 
> needs to warm up, at idle, to almost full temp before it runs with no 
> problems.  Otherwise it spits, coughs and has no power. The car runs 
> at about 190 degres except when I drive the mountains and of course 
> stop and go traffic.
>
> What is the consensus of thoughts as we approach colder weather?  And 
> what are the sources and manufacturer for a good thermostat?
>
> Thanks for the help,
>
> Fred
>
> 66BJ8
>
>
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