Taurus Fan Installation
The one most guys are using are from the early 90's, on the 3.8's, two sp., and pull about 4k cfm!
Bullet: how do you like that mk V111 fan?
Finally, I figured what the heck and snagged the fan (and 3g ALT) from the junkyard threw it in. Wired with a toggle switch I instantly realized the factory fan blows goats.
The most eye opening thing was at highways speeds was where most of the heating issues were experienced. I can now run along the highway at 75+ with the fan OFF and the coolant holds steady (around 200 degrees, 195 t-stat) and even sometimes drops a few degrees. I believe that shows how restrictive the OEM fan is (fixed fan, not clutched)
I think I would figure out a dual temp sender that can trigger low and high rather than run a single sender and a manual toggle.
As for the Mark VIII most believe it produces 5500+ on high. I have NEVER had to use the high speed, just low. Even idling on a 100 degree day it completely manages a big block engine perfectly fine.
Josh
I'll see what I can do with the dual thermo. switch.
A $12-$25 junkyard factory fan (whether Taurus, Mark VIII or Windstar) that cools 3000+ on LOW and 5000+ on high. Can't beat that.
I'm tempted on the dual sensor (I know they are out there, just too lazy to really look them up, I think most use BMW or Volkswagen) but just manually turning the fan on and leaving it once the engine hits 200 works for me.
You'll definately need a high amp continuous duty relay/ solenoid for high speed if you choose to use it. I have a 250 amp unit.
Josh
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Ford Trucks for Ford Truck Enthusiasts
This page is intended to clear up some misconceptions of the Taurus and Mark VIII fan and relay requirements. Since the launch of our new Taurus Mark VIII Relay kit I have been ask numerous times if the 60 amp relays are high enough amperage, if the wire gage is heavy enough. Will a 50 amp fuse work without blowing. I'll try to shed some light on this subject. Let’s start with the Taurus fan.
There are about a dozen Taurus fan versions for the Taurus/Sable and over the years Ford and the aftermarket have made changes to lower cost and increase durability. This label of Taurus that covers maybe 10 different versions leads to most of the confusion about the fan. Some of the Taurus/Sable fans use the Lincoln motor but most do not and no Taurus/Sable fans use a Mark VIII motor. If you want to find out what motor you have find the RF number like RF24, RF123, RF64 and so on or get the part number, something like F7LZ8C607 AA then look it up on Rock Auto.
With that said the Lincoln and Taurus/Sable fans are not the only high CFM fans Ford made, mine is from a 95 Cougar RX7 which is a RF24. It’s a cross between the Lincoln Mark VIII and a Taurus. It has the Mark VIII blades and a motor more like a Taurus/Sable fan.
The RF125 fan fits Taurus, Sable, and Lincoln Continental. So in that respect a Lincoln motor is used in a Taurus fan but it’s not a Lincoln Mark VIII motor. On a RF123 which is the true Lincoln Mark VIII fan the fan motor only fits this fan from 93-96 and does not fit any Taurus/Sable/Continental housings.
Fan Amps:
The Mark VIII is a bigger motor and draws more amps but I have yet to see anything above 45 amps even on an old fan when it’s running. It does have a momentary spike but again I have yet to see the 100 amps I hear about.
Our testing showed the Mark VIII fan ran 26-28 amps on low, with a 37-40 amp startup spike. On high it had a draw of about 32-35 amps with a 48-53 amp startup spike. This is tested with our relay kit wired with the step through configuration and a new fan. A startup from dead stop to high speed will draw higher amps.
The Taurus fan ran 24-26 amps on low, with a 32 amp startup spike
Then on high it used about 28-29 amps with a 40-45 amp startup spike. Again wired with our relay kit and a new fan.
Relays:
The Beuler relays are 60 amp relays with AGSNO contacts and Negative Spike Suppression. They can handle a spike load of 150 amps and since the Taurus/Sable fan only uses 40 at startup there is no issue with the relay loads.
Fuse:
The 50 amp fuse is a slow blow type fuse so it can take surges of the Mark VIII fan and not pop. It will pop on a dead short just like any other fuse. 50 amps is about 10% above the max load of the Taurus/Sable fan so it’s not an issue either.
Fans:
As I said before there are a lot of different fans for Taurus/Sable, Lincoln and other Ford cars. Trying to track down the various versions can be a task in itself. They have a 2 speed, a fixed speed and a variable speed fan
Fan Specs:
RF24 fits a Thunderbird LX and a Cougar RX7 94-97 the motor in this fan only fits this fan no other models it has 3 terminals and is a 2 speed fan with low being 1350 RPM and high being 1780 RPM. The CFM is unknown. It measures 18.5 x 24 x 5.5 deep. The Ford part number was F4SH8C607AA it is now F4SZ8C607D.
whats next on the list
-New style 60/40 bench seat with center console
-Upgrade rear Driveshaft with all 1350 1 ton joints
-Headlight wiring upgrade
-Dual batterries
-Intermitent wipers
-Power windows
C'mon man you gotta have all that good stuff
...Lol








