Electric Fan from Flex-A-Lite
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Lead Driver
Joined: Jan 2006
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From: Hartford, WI
Electric Fan from Flex-A-Lite
I just saw a new product from Flex-A-Lite. http://www.flex-a-lite.com/auto/html/ford-diesel.htm
It does warn that Electric fans are not recommended for primary diesel engine cooling when the combined gross vehicle weight (CGVW) exceeds 18,000 pounds (truck, trailer and load)
Any Opinions?
It does warn that Electric fans are not recommended for primary diesel engine cooling when the combined gross vehicle weight (CGVW) exceeds 18,000 pounds (truck, trailer and load)
Any Opinions?
New User
Joined: Feb 2006
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I installed those fans on my truck about 3 weeks ago. I noticed a slight increase in power. I haven't checked to see if I picked up any mileage yet. The only complaint is that they are a little noisy, but its not that bad. It does help keep my tranny cooler at low speeds though.
Elder User
Joined: Nov 2005
Posts: 796
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From: North Idaho
I've got a dual Flex-A-Lite fan on my 98 Suburban 6.5 turbo diesel- I know what you are all thinking- but I needed a people hauler and Ford didn't have the Excursion when I bought this. Any way, I have almost the same fan in that rig and it works good but didn't notice any mpg improvements like were claimed in the advertisment. It moves 5500 cfm when it is on full power and the only way I can hear it is if the window is down and moving slow. The one downside to it is it is wired into the A/C so in the winter when the defrost is on so is the fan on and I have to keep a winterfront over the radiator to keep the temps up.
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Tuned
Joined: Nov 2004
Posts: 444
Likes: 1
From: Nelson, BC, Canada
Why wouldn't a person wire the electric fans to an adjustable temp controller so the fans kick in only when needed? I have this set up on my hot rod lincoln and honestly the fan rarely kicks in, but is always there if/when needed. If/when I put this dual fan set up on my truck, I would for sure go with an adjustable temp switch. There is no sense to wiring electric fans for always on, HP gain from losing the stock fan is lost due to more HP needed to crank the alternator to keep the battery charged.
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Elder User
Joined: Nov 2005
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From: North Idaho
The fans do have an adjustable temp setting. Mine are set to come on 5* over the thermastat temp and the fan comes on at 60% power and at 10* over temp they kick up to 100%. The only time they are always on is when the A/C is on, even at highway speeds. I need to wire them into the head pressure switch on the A/C to they only run at low speeds or idle. The 29 amps they draw probably reduces and hp gain from removing the fan clutch.
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