I would just add that before going to a lot of trouble and expense to cure a
cooling problem that you make sure your temp gauge is accurate. Also, a
160, or 180, or 195 thermostat makes no difference to the final temperature
of the coolant, which is dependent only on the capacity of the cooling
system (including how clean it is and the efficiency of the radiator) and
the ambient conditions. Different thermostats only influence the
temperature of the coolant at the low end of the scale, such as in winter.
My experience was the same as Mike Salter's: no thermostat, or one that
opens fully at too low a temperature will just allow the car to run cold in
the winter and will have no effect in summer.
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 Alan Seigrist
Sent: Wednesday, September 23, 2009 9:09 PM
To: Jack Feldman
Cc: healeys@autox.team.net
Subject: Re: [Healeys] Electric Cooling Fan
Jack -
Len's suggestion is basically right. Start with a complete cleaning of your
cooling system first. The easiest thing is to have your radiator taken to a
local shop to be rodded and cleaned.
Also try a 20% antifreeze + 80% distilled water + water wetter mix. That
really works well, but coolant needs to be changed annually.
Also make sure you are using a 180 deg or 160 deg thermostat, not a 195.
Finally, jet hot coating the exhaust headers does wonders to keep
underbonnet temps much lower.
do these things first before going to a rad fan. It can make a huge
difference.
Alan
'52 A90
'53 BN1
'64 BJ8
On Thu, Sep 24, 2009 at 4:45 AM, Jack Feldman
<qualitas.jack@gmail.com>wrote:
> I'm thinking of putting an electric cooling fan on my BT7 in the hopes of
> it running cooler.
>
> Moss's web site suggests a 10" fan which seems small to me.
>
> Has anyone added an electric fan to their Healey and did it help keep
> things
> cool?
>
> Jack
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