Hi Dan,
On the rb 79's and '80's with the elec fan...
your description of the running temp range is spot on.
...usually 1/2 - 3/4 with the fan cycling.
As to the sensor...without the water flowing
the engine is not really 'cooling down'. At shut down/start up
that high temp is the thermal soak of the steel the sensor
is mounted in...rather than the general water temp.
A high powered fan might help the outer block but trying to
get that much air flowing would probably sound like
a freight train under the hood.
Personally.... I'd only worry about it...when and if the temp
doesn't come down immediately when the water starts
circulating again. In this recent east coast heat wave....
I'd let mine run a minute or two before shut down. At home
I'd open the bonnet for awhile after parking it.
Paul Tegler
ptegler@cablespeed.com
www.teglerizer.com
----- Original Message -----
From: "Daniel Parrott" <parrotthead01@comcast.net>
To: <spitfires@autox.team.net>
Sent: Tuesday, September 03, 2002 7:35 PM
Subject: Electric Fan Connection
> As I was returning from a Saturday's errands in my Spit, I carefully
watched
> the temp gauge respond to the 98-degree local temperature here in
Savannah,
> Ga. Most of the time, the temperature gauge stayed between the half and
> three quarter mark, with the radiator fan kicking in to cool it down, as I
> was tooling about town. However, when I stopped for a moment at a store
for
> 10 minutes, I noticed that the temp sensor was above the three-quarter
mark,
> presumably from the latent from the engine that is trying to cool down
> without the benefit of the radiator or cooling system. As soon as I
started
> up and started moving again, the water temp then returned to normal range.
>
> Has anyone ever "hot wired" the fan control to continue to run after the
> ignition is turned off until the temp sensor turned the fan off? What was
> the benefit? Did the engine cool down quicker? It seems to me that the
fan
> running after the engine has been turned off could help the cooling down
of
> the engine and avoid overheating effects. Any ideas?
>
>
> Dan Parrott
> Savannah, Ga
> 1980 Spit "PJ"
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