Quote:
Originally Posted by LostCause
* Your electric fan gets its energy via the alternator. The 0.11HP it consumes is magnified by whatever your electric system efficiency is (i.e. 0.11HP may actually be 0.15HP).
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But in my case, the electric fan is almost using no power as I mentioned. This is because it almost never comes on. In fact, I drove around with no fan at all for three days before I got the electric fan installed and the temp gage never rose above its normal range.
I drive about 10,000 miles/year and I calculated, using my 0.11 HP figure, that it will increase my mileage by 0.33 mpg and thus take 6.6 years to pay for itself @ $4/gal and the 33 mpg that I get. The fan w/T-stat cost $80.
I guess I would not have done this mod had I done this calculating before buying the new fan, but that's water under the bridge now.
Anyway, thanks for the input.