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Troy
Dodge Dakota
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4/30/2002
16:01:15
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 Subject: clutch fan power improvements
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Message:
How much power does removing the clutch fan free up? Any ideas?
I have a 2000 QC 4x4 5.9L auto 3.92LS
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alex
Dodge Dakota
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4/30/2002
16:14:03
| RE: clutch fan power improvements
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Message:
About 5-7 hp.... it lets the engine rev more freely and therefore more quickly.
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Aaro
Dodge Dakota
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4/30/2002
17:42:19
| RE: clutch fan power improvements
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Message:
5-7 hp ,the gain in mpg is worth doing it.
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lando981
Dodge Dakota
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5/01/2002
02:09:27
| RE: clutch fan power improvements
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Message:
But is that going to hurt the clutch.... what does it hurt??????? Thnx for any responses!!!
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Todd W
GenIII
5/01/2002
02:32:33
| RE: clutch fan power improvements
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Message:
Hurt the Clutch?
Clutch Fan would be the cooling fan on the -front- of the engine. The circular unit with the fins on it, that the blades bolt too, would be the fan's clutch. Removing the fan removes that clutch as well, so it doesn't really hurt the clutch.
As for hurting anything? You loose the cooling provided by the fan in stop-and-go traffic. Lots of trucks already have a secondary electric fan, some people say they work fine by themselves. Other people replace the low-performance electric fan with a higher performance one (2000CFM+), which offsets the loss of the mechanical clutch fan.
'00 RC Sport, Forest Green, 3.9L, 5-speed 3.55, Airaid Intake with relocated IAT, Autolite 3923s, Ported Throttle Body, Borg & Warner Cap/Rotor, Accel Coil, JBA 9mm Wires
'Do not trifle with me--I am a master of Chop-Off-Obnoxious-People's-Heads-Do!'
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Rascal
GenIII
5/01/2002
08:57:29
| RE: clutch fan power improvements
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Message:
It gave me 2 more mpg and don't forget the wear that it takes off your water pump. I put a Black Magic #150 as a puller and added a Flex-a-Lite #110 as a pusher to my Dak and it keeps it super cool.
Rascal
98 SLT 2wd 5.2 Powerdyne S/C (just bought), Powerslots, Hawk pads, Snugtop hard tonneau cover, Rancho brushguard and sidesteps, Flowkooler, Edelbrock shocks and dbl timing chain, Flowmetrics TB, Hella 500 lights, Magnacore wires, Autolites, Black Magic #150 and #110, etc...
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BigDs02Dak
Dodge Dakota
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5/01/2002
11:44:12
| RE: clutch fan power improvements
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Message:
how hard is it to take the clutch fan off the 4.7, I was looking at it the other day when I replaced the spark plugs with the 3923's and it doesn't seem like there is much room there.
Thanks in advance.
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alex
Dodge Dakota
JOIN HERE
5/01/2002
11:48:32
| RE: clutch fan power improvements
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Message:
The hard part is loosening the bolt that holds the clutch unit to the water pump snout. After that the fan slides right out over the A/C unit. nothing else to remove.
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