I'm also using a 14" something-or-other pulling fan. It's mounted at four
points around the inside the stock fan shroud. A fairly clean stock look.
I mounted a 180 degree Bosch thermo-fan switch at the top of my tank. Fan
works great, but he fan control has some hysteresis. IE a little more heat
soak than desired or too cold on a cold day. The way Nissan does it on
later models is to mount the lower temperature switch on the bottom radiator
tank. This engages the fan it only when it can't keep up.
Next time my radiator is out, it will get a Nissan part numbered lower fan
switch.
Walter Peterson
Santa Barbara Ca, 93109
Street driven race motor
2000 3-Main(R) Solexes,cam etc.
5-Speed & LSD.
-----Original Message-----
From: datsun-roadsters-bounces@autox.team.net
[mailto:datsun-roadsters-bounces@autox.team.net] On Behalf Of dave
Sent: Saturday, July 18, 2009 11:12 AM
To: 'Tom Hendricksen'; 'Datsun-Roadsters@Autox. Team. Net'
Subject: Re: [Roadsters] Electric Fan Question
I'm using a 16" pusher, works very well. I had to make a new upper radiator
support and do some creative spacing. A 14" may work with less fabrication.
Ideally, the fan should be supported by something other than the radiator
core. The zip ties included go straight through the core and have the
potential for making a leak.
A thermostatic switch makes it easy. The fan rarely runs constantly, even
at idle in hot traffic.
-----Original Message-----
From: Tom Hendricksen [mailto:tom@datsun2000.com]
Sent: Friday, July 17, 2009 4:39 PM
To: Datsun-Roadsters@Autox. Team. Net
Subject: [Roadsters] Electric Fan Question
I am thinking about changing to an electric fan on Mr. Hyde.
Looking through the wrecking yard this morning I found a number of likely
candidates but I have a question about push or pull fans. There is a lot of
room ahead of the radiator to install a push type radiator fan and I would
not need to look at modifying the water pump shaft. Is there any problem
with a push fan rather than a pull fan behind the radiator, which is what I
usually see?
What temperature should the fan temperature switch be if I mount it on the
thermostat cover where I already have an unsued threaded port for this
switch?
Tom
69 2000 - Mr. Hyde
Portland
http://www.datsun2000.com
http://www.nowroc.org
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