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  #11  
Old 11-22-2009, 09:56 PM
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A side effect of a 180 deg therm is that you may not get to a temp to warm your heater core to that roasty toasty setting the women love in the winter. It's a trade off for small conveniences, but since we're looking for performance, we sacrifice some things, like an interior set to cremate... I prefer a slightly cooler cab... maybe NorCal-ish.
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  #12  
Old 11-22-2009, 11:16 PM
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180 is not good for trucks, we ran in to theses when guys would come in the shop with their "rigs" and they thought that their "CAT" was running to hot, we would told by "CAT" that running at 180 would not be good for the motor over time due to not reaching " Efficient operating temp"

A thermostat sets the minimum operating temp - not the norm.......
The heat removed is a matter of the output of the engine, what the radiator and rest of the system can remove. So actual operating temp will depend more on the abilities of the cooling system (rad, fan, etc.) and what the engine puts out and not really on the stat.



But Airdog,

There are V-8 out there with no fan belt- That only use Electric Fans (But not on Trucks!)

the 06 and Up FORD Crown Vic, Mustang

With a truck, i would not just trust a electric fan!!!

Think about, On Big Rigs if the electric fan would work don't you think they would put it on them, to save on Fuel, Belts, Noise and Horsepower ????

Just my thought, i am not there to hurt anyone's feeling
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  #13  
Old 11-26-2009, 01:11 AM
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Thanks guys. Thats alot of info. 0n the 09 rams no belts fans a clutch fan and a eletric fan. All i want to do is remove the clutch fan. How to do this?
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Last edited by SPEEDFREAK; 12-31-2009 at 07:19 PM.
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  #14  
Old 11-26-2009, 02:37 AM
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1. Do Not attempt to remove the fan/viscous fan drive assembly (2) from the vehicle at this time.

CAUTION: If the viscous fan drive is replaced because of mechanical damage, the cooling fan blades should also be inspected. Inspect for fatigue cracks, loose blades, or loose rivets that could have resulted from excessive vibration. Replace fan blade assembly if any of these conditions are found. Also inspect water pump bearing and shaft assembly for any related damage due to a viscous fan drive malfunction.


2. Disconnect negative battery cable from battery.
3. The thermal viscous fan drive/fan blade assembly (2) is attached (threaded) to the water pump hub shaft. Remove the fan blade/viscous fan drive assembly from the water pump by turning the mounting nut clockwise as viewed from the front. Threads on the viscous fan drive are LEFT-HAND. A 36 MM Fan Wrench (1) should be used to prevent pulley from rotating.
4. Do Not unbolt the fan blade assembly from viscous fan drive at this time.
5. Remove the fan shroud-to-radiator mounting bolts.
6. Pull the lower shroud mounts out of the radiator tank clips.
7. Remove the fan shroud, electric cooling fan, and fan blade/viscous fan drive assembly (2) as a complete unit from vehicle. (Refer to 07 - Cooling/Engine/FAN, Cooling - Removal)
8. After removing the fan blade/viscous fan drive assembly (2), do not place the viscous fan drive in a horizontal position. If stored horizontally, silicone fluid in the viscous fan drive could drain into its bearing assembly and contaminate lubricant.

CAUTION: Do not remove water pump pulley-to-water pump bolts. This pulley is under spring tension.


9. Remove four bolts securing fan blade assembly to viscous fan drive.

CAUTION: Some engines equipped with serpentine drive belts have reverse rotating fans and viscous fan drives. They are marked with the word REVERSE to designate their usage. Installation of the wrong fan or viscous fan drive can result in engine overheating.
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  #15  
Old 12-02-2009, 06:30 PM
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Quote:
Originally Posted by SPEEDFREAK View Post
Thanks guys. Thats alot of info. 0n the 09 rams no belts fans a clutch fan and a eletric fan. All i want to do is remove the clutch fan. How to do this?
Quote:
Originally Posted by Remerson228 View Post
1. Do Not attempt to remove the fan/viscous fan drive assembly (2) from the vehicle at this time.

CAUTION: If the viscous fan drive is replaced because of mechanical damage, the cooling fan blades should also be inspected. Inspect for fatigue cracks, loose blades, or loose rivets that could have resulted from excessive vibration. Replace fan blade assembly if any of these conditions are found. Also inspect water pump bearing and shaft assembly for any related damage due to a viscous fan drive malfunction.


2. Disconnect negative battery cable from battery.
3. The thermal viscous fan drive/fan blade assembly (2) is attached (threaded) to the water pump hub shaft. Remove the fan blade/viscous fan drive assembly from the water pump by turning the mounting nut clockwise as viewed from the front. Threads on the viscous fan drive are LEFT-HAND. A 36 MM Fan Wrench (1) should be used to prevent pulley from rotating.
4. Do Not unbolt the fan blade assembly from viscous fan drive at this time.
5. Remove the fan shroud-to-radiator mounting bolts.
6. Pull the lower shroud mounts out of the radiator tank clips.
7. Remove the fan shroud, electric cooling fan, and fan blade/viscous fan drive assembly (2) as a complete unit from vehicle. (Refer to 07 - Cooling/Engine/FAN, Cooling - Removal)
8. After removing the fan blade/viscous fan drive assembly (2), do not place the viscous fan drive in a horizontal position. If stored horizontally, silicone fluid in the viscous fan drive could drain into its bearing assembly and contaminate lubricant.

CAUTION: Do not remove water pump pulley-to-water pump bolts. This pulley is under spring tension.


9. Remove four bolts securing fan blade assembly to viscous fan drive.

CAUTION: Some engines equipped with serpentine drive belts have reverse rotating fans and viscous fan drives. They are marked with the word REVERSE to designate their usage. Installation of the wrong fan or viscous fan drive can result in engine overheating.
Wasn't this already attached (viscous_cooling_fan_removal_.pdf) to my earlier post???
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  #16  
Old 12-04-2009, 08:05 AM
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Quote:
Originally Posted by matt3 View Post
If it's that much better, why doesn't Dodge just put them in at the factory? There has to be a reason why the engineers decided to use a 196 degree thermostat
for emission purposes,engine has its lowest emission output at 200+ deg.
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  #17  
Old 02-06-2010, 03:34 AM
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Well, Ladies and Gentlemen I've been busy trying to get info on an electric cooling fan for my 09 and according to Mopar parts there is one available. Both the Florida and Oregon Mopar sites list the fan at $222.00 discounted to $167.00@FL. & $147.00@OR. Both are + Shipping. I e-mailed the Oregon site asking if that fan would eliminate my clutch fan and am waiting(Mon?) for an answer. Until then, Aloha
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  #18  
Old 02-06-2010, 11:48 AM
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Quote:
Originally Posted by matt3 View Post
If it's that much better, why doesn't Dodge just put them in at the factory? There has to be a reason why the engineers decided to use a 196 degree thermostat
Emissions.

Cleaner burn at higher temp.

Most cars back in the 60's-70's had 180 thermo's, some with 160's,,,
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  #19  
Old 02-06-2010, 06:59 PM
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If you get a cleaner burn at higher temps doesn't this suggest that you will end up with lower MPG with the 180? The idea of the 180 is to reduce energy loss as heat though correct? So where does this equation balance out?

Basicly how big is the payoff if you lose less energy as heat, but lose more energy as unburned fuel?
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  #20  
Old 02-07-2010, 05:58 PM
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It's not quite that simple in regards to engine temp = energy.
For production vehicles, the higher temps help burn off pollutants.
A colder stat can sometimes help with pinging, and may allow you to run a non-OEM tune with a bit more timing. Most likely, that tune will also include more fuel.,,,

Last edited by HoustonHemi; 02-07-2010 at 06:01 PM.
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