Hi Frank,
On the few normally belt driven fan cars of Datsun 210, some were factory
equipped with electric fans. They used a single location switch and it was
placed in the radiator outlet hose. Just cut out a piece of hose and the switch
assembly went in. This is certainly a lot simpler than those cars with 2 therm
switches, but it seems to have worked well.
Is there a location on the Geo radiator for a switch? Look at your son's water
cooled VW's and see how they did it. If I recall, they used the 2 switch setup.
There are external switches also available at speed shops for aftermarket
electric fans. Some are adjustable, too.
Later, Paul A
Frank Clarici wrote:
> I found the perfect replacement radiator for my sprite.
> It is out of a Geo Metro, it is just about the same size as what was
> original and fits in with minor mounting modifications.
> it also has an electric fan.
>
> So what do I need to make it come on and off all by itself?
> some sort of thermosat comtrolled switch I assume, but what and where,
> and how do I do this?
>
> Right now it's wired to a toggle switch on the dash.
> this rad cools the Speedwell nosed Sprite very nicely.
> I heated it up to 212* and flipped on the fan and watched as it colled
> it down to 175* with the engine reving at 5000 rpms.
> Worked the same at an idle, and if the fan is always on, it never goes
> above 165*. I have a 160 stat in it.
> This rad even uses the original hoses but I had to use a later Spridget
> t/stat cover, the one that points left.
>
> --
> Frank Clarici
> Toms River, NJ
> http://www.exit109.com/~spritenut
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