Steve, where is the temperature sensor on your car as it surprises me
that the temp reading is lower than the opening temp of the thermostat.
The temp in the tophose/top radiator should be a tad over the opening temp.
Kees Oudesluijs
BJ8Healeys schreef op 14-10-2014 21:18:
> I have a radiator with a modern core in my BJ8. It is really the only thing
> I've ever found that would keep the temperature down in the cooling system.
> I also have a NOS AC sleeved thermostat (thanks, Kees!) rated at 187 deg. F.
> After the installation of the radiator, my car routinely has run between 170
> and 180 on the road unless it's a really hot day or in a traffic backup and
> it might then go 190 - 200 for a short period but drops down quickly with
> more airflow through the radiator.
> With the sleeved thermostat, I can also see the thing function. For about
> the first 50 miles, the temp needle will move toward 190 and as soon as it
> gets there it will drop back to about 160. It continues cycling until a
> stable temperature is reached, typically 170 - 180. I guess the modern core
> can cool sufficiently to keep the thermostat mostly closed under coolish
> ambient conditions.
>
> Steve Byers
> HBJ8L/36666
> BJ8 Registry
> AHCA Delegate at Large
> Havelock, NC USA
>
> -----Original Message-----
> From: Healeys [mailto:healeys-bounces@autox.team.net] On Behalf Of Bob
> Spidell
> Sent: Tuesday, October 14, 2014 11:15 AM
> To: Steven Kingsbury
> Cc: healeys
> Subject: Re: [Healeys] Aluminum Radiator
>
> Cool :) FWIW, that's pretty much how my BJ8 behaves with a stock radiator
> and Texas Cooler fan. Are you running a stock BN1 fan?
>
> On a side note, does anyone know why our cars routinely run under the
> thermostat set point? For example, I have a 180degF thermostat in my BJ8,
> and on not-hot days on the freeway it may run around 160degF. Under warmer
> conditions with more of a load it'll hold 180 until stuck in traffic, etc.
> then goes up 10-20 degrees. The thermostat should stay closed until reaching
> the set point--e.g. 180--then open and maintain that temperature until the
> the radiator can no longer, well, radiate all the heat produced by the
> engine. Is it possible our engines are being air-cooled enough to stay under
> the thermostat set point under benign temp and load conditions?
>
> Bob
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