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Electric Fans

hatman74
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hatman74 Enthusiast

hatman74

Posted
Posted

Anyone tried replacing you radiator clutch fan with electric radiator fans? I have a 2018 GMC 2500HD 6.0. Anyone tried this?y

971DBBC3-DC69-4D29-AF2A-747DB0126966.jpeg

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roadkill5.3 Enthusiast

roadkill5.3

Posted
Posted

go on google, there are tons of info on this subject.

 

the electric fans do not move the air that your clutch fan does, when i was researching for my old duramax 5 years ago. 

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JimCost2014 Senior Enthusiast

JimCost2014

Posted
Posted
On 8/18/2020 at 6:49 AM, hatman74 said:

Anyone tried replacing you radiator clutch fan with electric radiator fans? I have a 2018 GMC 2500HD 6.0. Anyone tried this?y

971DBBC3-DC69-4D29-AF2A-747DB0126966.jpeg

Off topic, that is a great looking set of toys!!!

flyingfool Senior Enthusiast

flyingfool

Posted
Posted

i personally feel the mechanical fan is superior to the electric fans, if you got a tow rig.  they always pull air, and your AC will always be efficient.  arm chair hot rodders just think the electric fans are better.  if you have a viscous clutch inline than the mechanical set up is perfection!!

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flyingfool Senior Enthusiast

flyingfool

Posted
Posted

if you want to do some crazy stuff, delete the motor t-stat, and with HPtuners just set your low and high end on/off temps, but this would work best with grill shutters i'm thinking...

MikeNH Senior Enthusiast

MikeNH

Posted
Posted
On 8/21/2020 at 11:00 AM, flyingfool said:

i personally feel the mechanical fan is superior to the electric fans, if you got a tow rig.  they always pull air, and your AC will always be efficient.  arm chair hot rodders just think the electric fans are better.  if you have a viscous clutch inline than the mechanical set up is perfection!!

 

AC on my 2003 with a mechanical clutch fan was garbage when not moving. Electric fans are massively superior. No way that one shitty fan that can be stopped by a fried clutch that is dependent on engine RPM can outflow a pair of electronic fans. And I cannot recall hearing of an electronic fan failure on these trucks.

  • Haha 1
flyingfool Senior Enthusiast

flyingfool

Posted
Posted (edited)

probably chinese outsorced clutch parts.. mechanical is a better design i cant help GM buys sh*t components these days

 

 

there is a reason GM uses a mechanical system on the HD trucks..they've done the research and know whats best

Edited by flyingfool
MikeNH Senior Enthusiast

MikeNH

Posted
Posted
On 8/23/2020 at 2:42 PM, flyingfool said:

probably chinese outsorced clutch parts.. mechanical is a better design i cant help GM buys sh*t components these days

 

 

there is a reason GM uses a mechanical system on the HD trucks..they've done the research and know whats best

The reason is cost. They run e-fans on the 1500s to help meet MPG targets. HD trucks aren't subject to CAFE regulations so they don't care. They don't run them because they're better.

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