Flex-A-Lite electric Fan for the Cummins - DodgeTalk : Dodge Car Forums, Dodge Truck Forums and Ram Forums
 
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#1 Old 03-28-2008, 02:40 AM
DodgeThis_AZ
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Flex-A-Lite electric Fan for the Cummins

So I was flipping though one of the several diesel magazines I get every month in the mail, and an add for once caught my eye. It was an add for Flex-A-Lite fans. It seems they have created a system for our beloved Cummins. They didn’t have any thing for them the last time I looked at their site, just the DuraSlug.

Any one install one of these on their trucks? I’m interested to see how well they really perform in the real world. I personally don’t need it, but if it could help up fuel mileage it would be great. I’m sure the mechanical fan is a drag on the engine.

I don’t think one would ever see a noticeable difference while driving, but hey, every little bit helps.

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I try to keep it at 2,000 RPM on the highway, but while merging, there is no point in trying to get great mileage if you are about to become a hood ornament for an 80,000 lb Freightliner coming at you.

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#2 Old 03-28-2008, 03:58 AM
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Sounds like a great idea but Man I bet that's a lot of $$$. I hate the drag our fans make but they do work great......

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#3 Old 03-28-2008, 05:07 AM
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Looks like a good idea, also you can shut the fans down for a quicker warm-up in the winter months.

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#4 Old 03-30-2008, 08:42 PM
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Wow $550 on summit

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#5 Old 03-30-2008, 11:38 PM
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Ya, I was assuming they were running about that price. Would take a long time in fuel saves to justify buying that. Maybe I can stop drinking soda for a year and buy one.

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I try to keep it at 2,000 RPM on the highway, but while merging, there is no point in trying to get great mileage if you are about to become a hood ornament for an 80,000 lb Freightliner coming at you.

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#6 Old 03-31-2008, 12:11 AM
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Not sure how these work but what does it do to your cooling when the electric motor fails? Because if the Visco Drive for the stock Fan fails it locks up and permanently drives the fan but if the electric motor fails for the E Fan what keeps the engine cool?

Just a thought

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#7 Old 03-31-2008, 02:36 AM
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What happens? The same thing that happens on front wheel drive cars. They overheat. LOL. That’s a good point. Even so, I’m willing to bet the fans have a very long life. Take the fans in my computer. I built a new computer about for years ago, with all new parts. Fans were at the top of my list, and theres five or so in there. Every thing else has changed but the fans in the case. So in four years, that’s over 35,000 hours these fans have been turning (I don’t shut down my computer). I’m sure these fans have more years to go. I’m willing to bet these fans are built to a much higer spec than the cheap “Made In China” fans I bought for my computer four years ago.

2006 Dodge RAM 3500 Laramie SRW • Brilliant BLACK • SRT-10 RAM Air Hood • Red Painted Calipers
Banks Power BigHoss Kit • 4” Lift Kit • BFG A/T Tires • Custom Skid plates • Mopar iPod Adaptor
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Warn 16.5ti Winch • Line-X Bed Liner • 18k Firth Wheel • Radar Detector
Buckstop Front & Rear metal Bumpers • Duel Antenna CB




I try to keep it at 2,000 RPM on the highway, but while merging, there is no point in trying to get great mileage if you are about to become a hood ornament for an 80,000 lb Freightliner coming at you.

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#8 Old 03-31-2008, 09:37 AM
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Everything will eventually fail, I like the fans. Maybe they could come up with a warning light so you'de know instanly if they fail.

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#9 Old 04-02-2008, 06:07 PM
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your fan is only needed if you are going slow or in traffic. the rest of the time the free flow air going thru the radiator as you drive at speeds above 30mph or so is enought to cool the engine. that is why there is a clutch on the fan that lessons the drag on it after the rpms get high enought. the electric fan would only turn on when you were not moving fast enought to cold it with the free flow of air thru the radiator. they are controled by a thermostat that starts and stops them as needed for cooling.
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#10 Old 04-02-2008, 11:50 PM
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I thought I read somewhere that if you tow heavy the electric fans were not the hot ticket. Is this new set up recomended for towing heavy? Do they move the same amout of air as the stock fan?

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#11 Old 04-04-2008, 03:57 AM
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Quote:
Originally Posted by roger/dodger
I thought I read somewhere that if you tow heavy the electric fans were not the hot ticket. Is this new set up recomended for towing heavy? Do they move the same amout of air as the stock fan?
Sadly no. They say if you tow over 18k CGVW not to use these fans. I don't normally tow that much, but it gets faily hot here in the summer, so I'm thinking these fans wouldn't work to tell in my case. Maybe for the every day person who drives to the office every day, and tows his what evers on the weekends.

2006 Dodge RAM 3500 Laramie SRW • Brilliant BLACK • SRT-10 RAM Air Hood • Red Painted Calipers
Banks Power BigHoss Kit • 4” Lift Kit • BFG A/T Tires • Custom Skid plates • Mopar iPod Adaptor
Upgraded 56g Fuel Tank • 115gal Aux. Fuel Tank • Custom Sliders • Slotted Brake Rotors
Warn 16.5ti Winch • Line-X Bed Liner • 18k Firth Wheel • Radar Detector
Buckstop Front & Rear metal Bumpers • Duel Antenna CB




I try to keep it at 2,000 RPM on the highway, but while merging, there is no point in trying to get great mileage if you are about to become a hood ornament for an 80,000 lb Freightliner coming at you.

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#12 Old 04-04-2008, 04:37 AM
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I think the gain in mpg would be small, i laove how they advertise recovering 27 hp. If all the bolt ons added as much power as they say we'd all have $1,000 hp rigs.

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#13 Old 06-03-2008, 04:35 PM
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I saw another post here were a guy put electrics on his dads truck and clammed a 2-3 mpg increase. I am having trouble with my stock set up and was considering going electric, but they are a little high. I was wondering about just using two, or three of those autoparts store electrics. They are only $65.00 ea for 16" fans.

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#14 Old 06-03-2008, 05:41 PM
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Quote:
Originally Posted by mkostersitz
Not sure how these work but what does it do to your cooling when the electric motor fails? Because if the Visco Drive for the stock Fan fails it locks up and permanently drives the fan but if the electric motor fails for the E Fan what keeps the engine cool?

Just a thought
You keep an eye on your gauges so you will notice if it is happening!

E-Fans also free up HP as well as MPG!
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#15 Old 06-03-2008, 05:45 PM
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Quote:
Originally Posted by Josh Brown
I think the gain in mpg would be small, i laove how they advertise recovering 27 hp. If all the bolt ons added as much power as they say we'd all have $1,000 hp rigs.
Real world most guys I know have seen about 8-16 Dyno proven RWHP! Which is not bad.
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