fan's effect on water pump?

["Watry, Andrew (LNG-MBC)" <Andrew.Watry@domain.elided>]

In the ongoing discussion of horsepower mods for four-cylinder cars, it was
mentioned that the pump-driven fan, in addition to consuming horsepower, was
a strain on the water pump. Why is that?  It's not because of the fan belt,
because with a stock water pump, you have to use the belt to drive the pump
regardless of whether you have a fan.  Does the air blast on the fan's
blades exert undue pressure on the water pump bearings or seals?

I can imagine if you use an aftermarket electric water pump you no longer
need a fan belt, or the stock water pump for that matter.

Andrew Watry
Berlina Register
1973 rubber-bumper maroon Berlina for sale ($1500ish), if anyone's
interested

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