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Custom Dodge Ram Performance Mods - Engine - 5.7 HEMI V8 Discuss modifying your Dodge Ram with Performance Parts and Accessories!
Factory Spec: 5.7-liter HEMI® V8 engine - 390 horsepower, 407 lb-ft of torque.


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  #11  
Old 02-17-2012, 09:53 PM
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Basically the clutched fan takes power to spin and it gets that from the engine. So the fan adds drag and makes the engine work harder and it's always there at some level. So you remove that spinning mass and replace it with an electric fan that spins only when required and free up some revs while your at it.

I have a TR6 and removing the fan on that made a big difference in how fast the motor spun up. But it was not on a clutch like the Ram. But wow.
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  #12  
Old 02-19-2012, 08:06 PM
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Where did everyone get there Electric fan and what size or part number? Thanks.
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  #13  
Old 02-19-2012, 09:09 PM
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on the 4th gens we already have an electric fan! but our 2009-2010 engine fan temps can be adjusted with tuners.
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  #14  
Old 02-20-2012, 11:33 PM
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Hmmmm, we have an electric fan for the AC??? I know I can see a clutch driven fan hanging off the front of the motor. And that fills the hole leading from the engine to the radiator.

I would also be interested in what fan was installed and how. I'm thinking it would be best to have one that fits inside the cowl of the rad up against the rad but I have not had my truck long enough to really understand how the cowl is attached. On my 96 the cowl will come out.

Mike...
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  #15  
Old 02-21-2012, 08:03 AM
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Quote:
Hmmmm, we have an electric fan for the AC??? I know I can see a clutch driven fan hanging off the front of the motor. And that fills the hole leading from the engine to the radiator.

I would also be interested in what fan was installed and how. I'm thinking it would be best to have one that fits inside the cowl of the rad up against the rad but I have not had my truck long enough to really understand how the cowl is attached. On my 96 the cowl will come out.

Mike...
Mike,

Your truck has a electric fan AND mechanical clutch fan. Like you said, the mechanical clutch is connected to the water pump shaft on the front of the engine, and there is a large shroud that leads back to the radiator. There is also an electric fan right against the radiator (inside the shroud). It's sort of tough to see but it is there. With the stock tuning, the electric fan only turns on when the AC compressor is on, or when the coolant temperature reaches 222 def F. The electric fan is not really used for cooling the engine coolant with the stock tuning except for severe overheating protection.

With 2009-2010 trucks you can remove the mechanical clutch fan, leaving the shroud and electric fan, and use a tuner like a superchips or diablo to adjust the electric fan settings. Those who have done this (including myself) have noticed no ill effects. My truck actually runs cooler this way by a couple degrees when sitting still. I'm currently also using the stock tstat.
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  #16  
Old 02-21-2012, 08:41 AM
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Ya, I have not have time to look inside much. I got the thing on Sat afternoon and it rained Sunday and then snowed overnight and melted Monday. I am waiting for an oil catch can to arrive. I will be taking a much bigger look at the engine bay when that goes in.

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Morimoto Mini H1 Projector's w/ Digital 55watt 6000k HID's, 35W 10k HID Fog Lights, Blue LED's throughout the interior, Bed and Reverse LED's, Oil Catch Can, 4" vent to stock air box and two beady red eyes. Where will the madness end????
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  #17  
Old 02-21-2012, 08:45 AM
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Spanner wrench

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  #18  
Old 02-21-2012, 08:50 AM
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I talked with another guy who took his fan off and he had a difficult time and said he would have really liked to have the wrench like Timmy posted above. Mine on the other hand practically came off with no force at all, I probably could have taken it off with my bare hands and no tools. I guess maybe it just depends...? But probably not a bad idea to buy the tool and have it in the tool box.
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  #19  
Old 02-21-2012, 08:52 AM
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916Timmy 916Timmy is offline
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Mine came off super easy....way too easy!
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