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I'm certain the underhood temps are high anyway, so not too concerned with that. But what is the cost of running the fan? The Max has a 30 amp fuse for the fans, so it would have to be less than that, so about 325 watts? (25 amps @ 13 volts) Assuming alternator efficiency of 50%, that would be a 750 watt pull, or close to 1 hp of the 50 I use at crusing speed.
I'm just not seeing a huge drop in mpgs from a radiator fan running in theory.....
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 RIP Maxima 1997-2012
Quote:
Originally Posted by jamesqf
I think you missed the point I was trying to make, which is that it's not rational to do either speed or fuel economy mods for economic reasons. You do it as a form of recreation, for the fun and for the challenge.
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