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Old 07-10-2010, 09:31 PM
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Taurus fan

did some searching and found some info about the early 90's taurus fan install on 3rdgens.

FYI At some point in my car's life it was converted to single fan for some reason. The fan switch used for dual fan is still in the passenger side of the block unplugged

here and there some people were talking about drawing too much current or not.

and also I've read that they are 2 speed fans, how would I set that up in my car, or would I just wire it to the highest speed. if the latter, how would i do so?

just looking for some clarification and didn't want to bump 4yr old threads.

Thank you to all.

Last edited by CaliChevyLover; 07-10-2010 at 09:43 PM.
Old 07-10-2010, 09:45 PM
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Re: Taurus fan

Yes they draw allot of power and needs to be wired right, it draws near 80 AMP on start up then drop to the 30s. But thats what makes it a bad azz fan in high demand. Makre sure and get all its wiring n stuff for the 2 speed n temp switch.

Would like one but don't got one so I can't provide more then that.

Long as its works, its money in the bank, can always be resold for a good price.
Old 07-10-2010, 10:08 PM
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Re: Taurus fan

Looking into this myself in case the mods I'm doing do not work. As I understand it the low speed fan portion draws something like 17 amps. The high speed portion of the fan draws around 35+ amps depending on the situation.

Here is an interesting fact. The more cfm the fan moves the more amperage it takes to run the motor. Now if there is a restriction in front of the fan such as a radiator the fan cannot move as much air and it will draw less amps. The higher the restriction the less cfm the fan will move and the less amperage the motor will draw. I believe that is why you see some differences stated for the Taurus fan amperage. Running one on the bench and mounted to a radiator are two different situations.

IMHO if one was to install one of these Taurus fans I believe it would be a good idea to upgrade your alternator to a higher amperage one. Especially if you are running A/C and other electrical appliances. I also believe the factory supplied relays and circuitry are probably OK for the low speed side of the fan. However for the high speed side of the fan you will need a minimum of a 40 amp relay and heavy enough wiring to support the amperage.
Old 07-10-2010, 10:13 PM
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Re: Taurus fan

I have a fan off a Lincoln Mark VIII. Some say its the same fan as the taurus but I think the Mark VIII moves a litle more air. Anyways, I run 2 relays to handle it. I also ran a 30 amp fuse going to each relay. I have since changed to one fuse. I'm going to try a single 40 or 50 amp fuse. It will blow a 25 amp fuse. It does move an extreme amount of air though.
Old 07-10-2010, 10:49 PM
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Re: Taurus fan

Yes the Mark VIII does move more air and requires more amperage to run it even though the motor may be the same as on the Taurus. I don't have the room to use the Mark VIII as I believe it is 6" thick and can be cut down to 5 1/2". I have seen the Taurus fan measured between 4.5" and 4.75". That will fit in my car if I need to go that route.
Old 07-10-2010, 11:05 PM
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Re: Taurus fan

Heres a pic of my car. It looks like it may be a little under 6 inches. It is a tight fit though.

Old 07-11-2010, 06:49 AM
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Re: Taurus fan

Sweet guys thanks!
Old 07-11-2010, 09:30 AM
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Re: Taurus fan

Using an aftermarket fan controller could significantly help with the initial amperage draw. Although I'm just running a stock fan, I have a Flex-a-lite fan controller. It initializes the fan ON with only 65% power, runs the fan at this reduced rate for 2-3 minutes, and then kicks in at 100% ONLY if the temps have not dropped at that point. I'm sure some other fan controllers have similar function as well.

I've also read where folks only wire in the low speed of the Taurus fan to the switch or controller. Then, they wire the high speed to a toggle - that way they can utilize the low speed setting automatically, and only use the high speed setting when need an extra boost. Initial amperage draw would be significantly less since the high speed is being controlled via toggle and (one would assume) was only being switched on when excess heat was noticed (the low speed would already be on at that point, thus switching the high speed on would be just the difference in amperage draw between the two, and not a huge draw all at once).
Old 07-11-2010, 09:46 AM
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Re: Taurus fan

do you have more info on where to find the flexalite/difficulty of install?
Old 07-11-2010, 10:01 AM
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Re: Taurus fan

Got mine from summit - it's expensive at $100 - but I've had mine 4+ years now and it's been the best $100 I've spent. Was really easy to wire, comes with everything needed. Think mine is the 31165.
Old 07-11-2010, 10:05 AM
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Re: Taurus fan

http://www.summitracing.com/parts/FLX-31165/
Old 07-11-2010, 05:11 PM
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Re: Taurus fan

thanks! so it says 220 is the max temp to turn it on...will that cause issues with using a stock 195 t-stat?
Old 07-11-2010, 06:03 PM
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Re: Taurus fan

No.
Old 07-13-2010, 01:49 AM
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Re: Taurus fan

Originally Posted by camaronewbie
No.
so if it comes on at 220 what temp would it shut off at? ..with the tstat starting to open at 195..doesnt seem there is much of a range between tstat and fan
Old 07-13-2010, 01:55 AM
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Re: Taurus fan

read this, it give good info on how a t-stat works and temp

http://www.carnut.com/ramblin/_cool3.html
Old 07-13-2010, 02:14 AM
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Re: Taurus fan

thanks, but i didnt really get an answer
Old 07-13-2010, 10:31 AM
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Re: Taurus fan

220 - 195 = 25. That's plenty of range. But most of us have swapped to the 180 stat also. But that's all part of the advantage with an adjustable controller - it's adjustable!

Me for instance, I live in NC - not a terribly hot or cold climate. But the last few years, the winters are getting colder, and the summers getting hotter. In June 2010, we set a new record with 21 out of 30 days with temps above 90, and 17 of those 21 the temps were above 95, and 4 days were actually above 100! June is historically a month of high 80's, not high 90's, and certainly not 100's! Winters have been colder as well - not across the board really, but each winter we are getting more periods of 10 degree lows and 30 degree highs, where we used to very rarely see lows below 30 and highs below 45. Global warming, earth shift on axis, or whatever the excuse of the day is, the weather is much different here than it was 30 years ago.

So, I've started spring/fall swaps. In the spring I swap in a 180 stat - helps keep the car temps lower in the high heat summer periods, but it's not overkill like a 160. In the fall, I swap in a 195 - helps keep temps a bit higher so I can have some heat in the car! The adjustable controller makes it easy to adjust the fans accordingly.

The fan is really only cooling the fluid in the radiator. When the stat opens, the cooler fluid is introduced into the block, and the hotter fluid is transferred to the radiator. If the fan comes on way before the stat opens, no big deal really - it's just cooling the fluid in the radiator further. But you'd want the fan to come on just before the point that the stat opens I would think - since the open stat is now transferring hot fluid into the radiator, and it needs cooled as it's running through the radiator. Plus, there's no reason to introduce the cooler fluid from the radiator into the block if it's really not that much cooler, so you'd want the fan to come on slightly before the stat opens to ensure the radiator fluid is cooler.

Maybe that's false logic - hell I'm no expert! But I do know that every engine I ever had, whether Nissan or Chevy or Ford or whatever, they all seem to run better at cooler temps. But I do understand the balance between cooler op temps and efficient fuel burn as well. Although GM designed with a 195 stat stock, I think that 20+ years later the world has changed - it's hotter out there! More cars making more heat, more pavement creating larger heat islands, global warming, all those things. GM designed the cars hotter to assist in better fuel burning (back then). But it's well apparent from reading threads here and elsewhere that most folks get better results with a lower (180) stat these days. And most of us have made modifications that alter general underhood temps anyway (like headers) - we have to be concerned with other implications such as fuel vaporizing and such, not just internal engine temps.

OK - enough already!

Last edited by camaronewbie; 07-13-2010 at 10:51 AM. Reason: 30 years, not 3
Old 07-17-2010, 07:39 PM
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Re: Taurus fan

Hey man, I was thinking about doing the taurus fan conversion on my car. Can you send me some more info or give me a better idea on how to wire the thing? Could i still use the factory wiring and or the factory relay? I would also like to use a toggle switch for the high speed setting. Let me know . My email is o.sebastian33@yahoo.com
Old 07-17-2010, 09:37 PM
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Re: Taurus fan

You might be able to use the factory setup for the low power side of the fan. For the high power side of the fan you definitely need some aftermarket circuitry that will hold 40+ amps.
Old 07-18-2010, 08:26 AM
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Re: Taurus fan

i have used his stuff in the past with good luck. he has a controller for the 2 speed fans. these controllersw turn the fans on slowly and then ramps them up for a lot less draw.

http://www.dccontrol.com/fancontrol.htm
Old 07-18-2010, 12:56 PM
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Re: Taurus fan

That looks like a nice unit. I have saved it incase I have to go the Taurus fan route.
Old 07-20-2010, 03:07 PM
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Re: Taurus fan

How is the Lincoln Mark VIII cooling fan compared to LT1 and LS1 dual cooling fans?

I have been looking for LT1/LS1 cooling fans (in Iceland) with no luck, I know of few Lincoln cooling fans and if they are as good or better it will save the day
Old 07-20-2010, 05:04 PM
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Re: Taurus fan

get the lincoln or mark fan. it will cool really well.
Old 07-21-2010, 04:37 PM
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Re: Taurus fan

How thick is the taurus fan?

I swapped my stock dual fans to 2 sum-4902 ( 1107cfm )....because I needed the space for my 12rib setup, all I can say is stock fans move alot more air than the summit ones and my car is getting a little warmer than I like.

Now I want to upgrade and looking into a taurus fan instead.

/N.
Old 07-21-2010, 04:55 PM
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Re: Taurus fan

i have heard that they are near 6 inches deep but can be cut down to like 5 something.
Old 07-21-2010, 05:50 PM
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Re: Taurus fan

I think the fan is less then 4" deep. It's not nearly 6" deep.

I have one on my TA, and i've only wired it up to the low speed. I've never had any problems with temp issues. I used a solenoid, and a 30A maxi fuse I believe. Runs good. I could have wired up a switch to use the higher speed vs lower speed depending on switch position, but I never bothered.

I've got another one in my garage now, to be used on my buddies Monte Carlo (305 LG4) in the near future too.
Old 07-21-2010, 05:54 PM
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Re: Taurus fan

actually there are different models of the fans. there is a taurus fan and a mark 8 fan. one is 6 inches deep and the other is thinner.
Old 07-22-2010, 03:40 AM
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Re: Taurus fan

I found this on another site:

****
First off they were ALL tested at Battery voltage (12.5v)
first and then with my truck running with a 30ft 4 gauge wire from my battery 14.5v

Not the exact numbers they fluctuate from 150 to 250 cfm this is an average

Battery operated

LS1 FAN SHROUD
1 fan turned on - 4800 cfm
2 fans on - 9500cfm

LT1 FAN SHROUD
1 fan turned on - 5000 cfm
2 fans on - 8700 cfm

1999 Dodge Stratus (both fans are always on - 2 speed)
Slow speed - 3700 cfm
High Speed 9000 cfm

1996 Ford Taurus (1 fan two speed)
Slow speed - 2800 CFM
High speed - 5600 CFM



Alternator Powered

LS1 FAN SHROUD
1 fan turned on - 5100 cfm
2 fans on - 10500cfm

LT1 FAN SHROUD
1 fan turned on - 5200 cfm
2 fans on - 9500 cfm

1999 Dodge Stratus (both fans are always on - 2 speed)
Slow speed - 4200 cfm
High Speed 10400 cfm

1996 Ford Taurus (1 fan two speed)
Slow speed - 3200 CFM
High speed - 6000 CFM
****

According to this I should use LT1 or LS1 fans if possible. I am sure that the Mark VIII fan is more than enough though
Old 07-22-2010, 08:42 AM
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Re: Taurus fan

those numbers seem a little high to me.
Old 07-22-2010, 01:07 PM
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Re: Taurus fan

From what I have seen posted the Lincoln Mark Vlll fan is around 6" thick and can be trimmed to 5.5". The Taurus fan is around 5" and can be trimmed to maybe 4.5" at most.

Interesting on the cfm numbers. I visit the LS1 forums and there is talk about them going to the Taurus fan to solve their overheating problems.
Old 07-22-2010, 01:12 PM
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Re: Taurus fan

i have ls1 fans. although they cool pretty well i have had a mark 8 or rf-86 fan on a ford truck i had with a two speed controller and man that thing can move a lot of air. from my experience it moves more air than the ls1 fans i have. i am looking for a really good deal on a mark 8 fan now.
Old 08-17-2010, 02:19 PM
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Re: Taurus fan

Yea those CFM #'s on the LS/LT fans has to be way off.

5100 CFM from single 12" fan, then an 18" fan on low, and 6000 CFM on the higher speed.
Old 11-01-2011, 02:06 PM
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Re: Taurus fan

awsome ideas
Old 06-25-2012, 09:18 AM
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Re: Taurus fan

Completely forgot I had made this thread a couple years ago..I just got a two speed fan out of a 95 sable from the junkyard, plan on wiring it to low speed for now to test it out. I'll update when I start working on it tomorrow.
Old 06-25-2012, 04:01 PM
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Re: Taurus fan

If you decide you want to run the high speed on the fan. I recommend this

http://www.summitracing.com/parts/RFW-AR70/

Cause a 30amp fuse and a 40a relay will not cut the mustard.

I use a temperature switch in the pass head to ground the relay to turn the fan on at 185*
Old 06-25-2012, 04:37 PM
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Re: Taurus fan

Originally Posted by 3rd gen Will
If you decide you want to run the high speed on the fan. I recommend this

http://www.summitracing.com/parts/RFW-AR70/

Cause a 30amp fuse and a 40a relay will not cut the mustard.

I use a temperature switch in the pass head to ground the relay to turn the fan on at 185*
Cool...if I just wire low side to the factory stuff and high side to a toggle what gauge wire/size relay/ inline fuse should I buy so I can just wire it up myself?

Last edited by CaliChevyLover; 06-25-2012 at 04:51 PM.
Old 06-25-2012, 06:42 PM
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Re: Taurus fan

I didn't wire the low side to the factory wiring, I wasn't sure it would be heavy duty enough for it. I was running a 40a relay/30a fuse on 12ga wire for the low speed, that was the largest I could find locally. That Ron Frances kit I have now is a 70a relay/60a fuse with 10ga wire, that is running the high speed nicely. The Ron Frances kit is the only thing I have found that is heavier than the setup I had on the low speed.
Old 06-25-2012, 08:52 PM
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Re: Taurus fan

Originally Posted by 3rd gen Will
I didn't wire the low side to the factory wiring, I wasn't sure it would be heavy duty enough for it. I was running a 40a relay/30a fuse on 12ga wire for the low speed, that was the largest I could find locally. That Ron Frances kit I have now is a 70a relay/60a fuse with 10ga wire, that is running the high speed nicely. The Ron Frances kit is the only thing I have found that is heavier than the setup I had on the low speed.
thanks!
Old 06-26-2012, 06:18 PM
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Re: Taurus fan

One of the best mods I've done...works great even on the low power setting.
Old 08-31-2012, 03:31 AM
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Re: Taurus fan

subscribed
Old 09-02-2012, 08:43 PM
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Axle/Gears: 3.73 Posi
Re: Taurus fan

I just picked up a Mark VIII fan from pick and pull, what else would I need to complete this swap?
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