Just a curious question.

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SynisterQ
Posts: 91
Joined: Sun Feb 10, 2008 4:59 pm
Car: 1994 Black on Black Q45

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Would there be any gains or benefit of getting rid of the clutch fan and going with a powerful electric fan on a Q? Wouldn't it free up some power? Of course I'm talking about using relays and sensors to turn the fan(s) on automatically.


qship96
Posts: 6624
Joined: Sun Nov 24, 2002 11:31 am
Car: 1996 Infiniti Q45

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whatever few hp you free up by removing fan/clutch from motor is lost due to extra demand {load} on alternator.If your fan clutch is working like new,and radiator is efficient, the fanblade is freewheeling most of the time when the car is moving,especially at highway speeds

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elwesso
Posts: 30810
Joined: Sun Feb 23, 2003 4:52 pm
Car: 94 Infiniti Q45t 5 spd
2007 BMW M Coupe
2007 Infiniti G35 S 6MT
Location: Indiana
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Agreed.. I think overall electric fans are a misnomer that they actually increase HP.. In NC id think youd want to keep the clutch fan, but it may be slightly different in a place thats really cold and you do a lot of highway driving..

Still i see it being way easier to just leave it as-is and not think about it and possibly spend the money on something that would do more

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Raxephon
Posts: 1910
Joined: Tue Jul 27, 2004 8:53 am
Car: '04 RX8...for the moment...

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Electric fans will not be a benefit regarding additional power output of the motor.

The benefits derived from electric fans is increased accessibility in front of the motor and cooling insurance.

By insurance I mean that if you have 2 dual fans setup, (one pushing, one pulling), but you only use 2 normally and 3 when the a/c fan signal kicks in, you'll always have at least one to limp home on if 1-3 fail.

If your fan clutch fails, it can possibly seize, seizure of fan clutch sometimes leads to shearing off at the water pump, leaving you with nothing to circulate your coolant but wishful thinking.

If you're worried about alternator output, get a bigger alternator.


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