• Welcome to ClassicBroncos! - You are currently viewing the forums as a GUEST. To take advantage of all the site features, please take a moment to register. It's fast, simple and absolutely free. So please join our community today!
    If you have problems registering or can't log into your account, please contact Admin.

Electric fan

72BlueBronco

Sr. Member
Joined
Dec 17, 2001
Messages
689
I want to switch to an electric fan. What have you used?
I have a stock radiator.
makes and model numbers would help greatly.

thank you.
 

tatersalad

Bronco Guru
Joined
Jan 17, 2009
Messages
1,067
I've used Spal ,Taurus and Volvo. The Taurus/Volvo pull more air. They are the same but the Volvo unit s shroud is removable.
 

tatersalad

Bronco Guru
Joined
Jan 17, 2009
Messages
1,067
All 3 draw a lot of amps at start up so you will need either the Volvo relays to switch between low speed and high or a controller that will do it and is rated for the high amperage
 

Broncobowsher

Total hack
Joined
Jun 4, 2002
Messages
35,392
Electric fan on a Bronco is a can of worms. The radiator has a small frontal area and to get cooling it needs a LOT of air pulled through it. It takes work to pull air through a core.

Most of the economy electric fans rate in CFM. Which is a worthless measurement. How much air can it move with the restriction of a radiator in front of it?

OEM fans (Taraus, PT cruiser turbo, etc) are engineered to pull air through a radiator. The OEMs choose fans based on wattage. Wattage is volts x amps. Volts are fixed, so to get a high wattage fan you need lots of amps.

A typical good cooling fan will draw 40A, even higher turn on spike. A Bronco has a 60A alternator. Simply put, the Bronco doesn't have enough alternator to handle a cooling fan. So add an alternator to the upgrade list. Next is the wiring, stock Bronco wiring won't handle an upgraded alternator. another upgrade needed. Now the single V-belt drive squeals, more upgrades.

I've tried multiple electric fans. Never had them cool like they should. That was before summer hit.
 

Timmy390

Contributor
Bronco Guru
Joined
Jan 1, 2011
Messages
5,695
Loc.
Conway, AR
Electric fan on a Bronco is a can of worms. The radiator has a small frontal area and to get cooling it needs a LOT of air pulled through it. It takes work to pull air through a core.

Most of the economy electric fans rate in CFM. Which is a worthless measurement. How much air can it move with the restriction of a radiator in front of it?

OEM fans (Taraus, PT cruiser turbo, etc) are engineered to pull air through a radiator. The OEMs choose fans based on wattage. Wattage is volts x amps. Volts are fixed, so to get a high wattage fan you need lots of amps.

A typical good cooling fan will draw 40A, even higher turn on spike. A Bronco has a 60A alternator. Simply put, the Bronco doesn't have enough alternator to handle a cooling fan. So add an alternator to the upgrade list. Next is the wiring, stock Bronco wiring won't handle an upgraded alternator. another upgrade needed. Now the single V-belt drive squeals, more upgrades.

I've tried multiple electric fans. Never had them cool like they should. That was before summer hit.

It's a rabbit hole for sure......been there got the T-shirt to prove it.... :)

Tim
 

tatersalad

Bronco Guru
Joined
Jan 17, 2009
Messages
1,067
I've ran electric for years also and my current Taurus fan with Volvo relays cools fine with explorer 2 row radiator but like previous have stated it's a can of worms. I have an explorer front dress setup sitting in a box that I bought from sandman waiting for me to get motivated to install as I and most others would say it is the best setup in both fit and function in broncos
 
OP
OP
72BlueBronco

72BlueBronco

Sr. Member
Joined
Dec 17, 2001
Messages
689
May I ask why you want to go electric?

My friend put one on his mustang and it worked very well.
It turned on when the temp got to 195 and within 5 minutes cooled it down to 185 and turn off. Plus it was quieter.
 

sanndmann3

Bronco Guru
Joined
Jun 13, 2007
Messages
1,775
I have the Volvo fan and relays too. Works well but lots of pieces to put in place first as Broncobowsher suggested.
 

BUCKWILD

Full Member
Joined
Jun 20, 2016
Messages
351
Loc.
Butte county
I have a volvo fan and love it (408 injected aluminum heads 10.5:1 625hp) It cools it down and shuts off on a 100* day and only turns on high then using all the power then goes back to the low speed. I have a volvo relay running it with an Explorer front dress
 

JSmall

Bronco Guru
Joined
Feb 18, 2004
Messages
3,223
I’m running the Volvo fan and relays with everything else upgraded. I’ve had no issues and the high has never kicked in yet. As soon as the low speed fan comes on it brings the temp back down to 192’ish range. My temp reading comes from the Explorer computer.
 

Richy Rich

New Member
Joined
Feb 9, 2015
Messages
16
Loc.
Thousand Oaks
I recently installed a
17 High Output Radiator Fan
Item #: 5051 from Wild Horses. I do have a high output alternator and all new wiring harness. Its a two speed fan and can be actuated with one, or two temp sending units to trigger the various speeds, or one sending unit and one switch, or in my case, I have a Fitech throttle body (power adder model, i.e. two fan actuation) and it actuates automatically based on pre set temperatures that I programmed into the throttle body ECU computer. I have two separate relays for each speed.
 

Bitch'nBronco

Contributor
Loose Cannon
Joined
Dec 1, 2005
Messages
3,454
Loc.
Ringwood, NJ
Another vote for volvo fans! They work great and its nice to have a low and high speed. https://www.therangerstation.com/tech_library/volvo_electric_fan.shtml

I use the BMW thermal switch, its nice to have it manage itself. I idled for an 1:30 on friday for a halloween trick or treat drive thru for my boys and the bronco held 190(with my 190 thermostat) the whole time.



Sent from my SM-G981V using Tapatalk
 

Bitch'nBronco

Contributor
Loose Cannon
Joined
Dec 1, 2005
Messages
3,454
Loc.
Ringwood, NJ
Here are some photos of the install. I like how the shroud is vented for driving at a higher speed. They stay closed at idle. The shroud is also the perfect size for a bronco radiator, I only had to trim around the inlet and outlet water necks.
11102364c8c0d82d3ae3de1b4daffe19.jpg
6b7eea0478186a361780d2640795f4c6.jpg


Sent from my SM-G981V using Tapatalk
 
Top