Electric Fan upgrade
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Registered User
Joined: Jan 2011
Posts: 12
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My current ride is an '07 Durango Ltd. 5.7 AWD.
I'm looking for any way to gain a little.
I had different exhaust on my old '04 5.7, but it also had an extra 100km's
It was around 18-19 mpg.. but this '07 with mds barely makes 15-16?
The only real difference is 20" rims on my '07, and 17" on the '04.
I've heard of a few Chevy guys putting electric fans on the 6.0 litres to gain better mileage, and thought I'd check into it for my 5.7.
I'm looking for any way to gain a little.
I had different exhaust on my old '04 5.7, but it also had an extra 100km's
It was around 18-19 mpg.. but this '07 with mds barely makes 15-16?
The only real difference is 20" rims on my '07, and 17" on the '04.
I've heard of a few Chevy guys putting electric fans on the 6.0 litres to gain better mileage, and thought I'd check into it for my 5.7.
Professional
Joined: Aug 2010
Posts: 105
Likes: 0
From: Woodland Park, CO
Are a lot of people doing this? How hard is the install and how much?
When I had my TBSS, a lot of guys were doing the efans for performance reasons. I think they were getting them from older F-Bodies if my memory is right.
When I had my TBSS, a lot of guys were doing the efans for performance reasons. I think they were getting them from older F-Bodies if my memory is right.
Registered User
Joined: May 2011
Posts: 8
Likes: 0
From: Winchester, CA
I'm doing it! Any time I can add a little rwhp and save even 1-2 MPG I'm all for it. I mean that equates to 24-48 more miles per tank. For me that means at least $12-$24 savings every time I fill up. That's just the way I look at it.
Site Moderator
Joined: Jan 2008
Posts: 8,374
Likes: 28
From: Sioux Falls, SD
When getting an e-fan, do not go cheap. A lot of guys in the Ram section grab a fan out of the salvage yard from Lincoln Mark VII cars, if memory serves. High output fan, with its own shroud and everything, but... it pulls a TON of amps off your electrical system. Way more than a newer, modern fan would. Will most likely ruin or cause premature failure of the alternator.
A lot of the 2002-2008 (3rd gen) Ram guys use the Flex-a-Lite Black Magic 180 e-fan. Moe's Performance has the cheapest price on that, around $250, IIRC.
A lot of the 2002-2008 (3rd gen) Ram guys use the Flex-a-Lite Black Magic 180 e-fan. Moe's Performance has the cheapest price on that, around $250, IIRC.
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Administrator
Joined: Jul 2007
Posts: 24,686
Likes: 21
From: South Georgia/East Florida
Some of these "pic-n-pull" fans can draw over 70 amps!!! I spent the extra and bought the Flex-a-Lite kit, pulls 18 amps and at 3300 cfm is even stronger than most pic-n-pull fans...