Engine Proform E-fan - Stock Shroud Req'd?

boostfrk · Sep 12, 2012

I've got the Mustang specific Proform 15" e-fan on my car that the PO installed. It has a built in shroud of sorts, but by my calculation the fan only covers about 56-57% of the face area of the radiator.

Would trimming the shroud off the Proform and installing the fan inside the stock shroud yield better results? Am I just making work for myself?

RacEoHolic330 · Sep 12, 2012

If it's keeping your car cool right now, you're wasting your time. The Proform fans are garbage IMO. When that one fails, get yourself a junkyard Taurus, Contour, or Mark VIII fan. They flow almost twice the CFM of the proform and will last much longer. If that one is working for you right now though, I wouldn't mess with it..

boostfrk · Sep 12, 2012

I've heard the Proform fans are garbage. I may look at upgrading anyways.

With one of those junkyard fans, is it easiest to take the fan itself and install it into the stock Mustang shroud or use the entire assembly from the Taurus/Contour, etc?

I believe I remember seeing a write up about installing a Taurus fan into a stock shroud.

RacEoHolic330 · Sep 12, 2012

I haven't heard of anyone needing to modify the shrouds on any of those OEM fans. I went with a Taurus fan myself mainly because it has a smaller shroud and will clear my turbo piping better. It pulls so much CFM that having a shroud to cover the entire radiator area shouldn't be necessary. I think the contour fan covers the most radiator area because it is a dual blade fan.

Here is my Taurus fan mounted up:

boostfrk · Sep 12, 2012

Looks like it covers more of the face area than my current fan. I liked the idea of the stock shroud so that I could mount my stock overflow bottle on it.

I may start looking for a Taurus fan and then piece together a wiring/controller kit for it. The current controller I have only has a 40/60A relay which seems a bit small from what I've read about the Taurus fans.

HISSIN50 · Sep 12, 2012

One of the guys with an early fox installed an aftermarket fan of some sort into the stock shroud (I'm associating the thread with a guy who either had an '86 or had 86 in his username - but I could be wrong). It was a big thread and might have been a sticky at one point.

I was also wondering (along with Scott, et al) how this set-up was doing for you, temp wise. That, along with how reliable you think the circuit is, might determine how quickly you replace anything.

RacEoHolic330 · Sep 12, 2012

I'll be using a DCControl setup with my fan, so I'm not sure about the required relay for the Taurus fan. I do know that the Mark VIII fan needs an 80a relay for a switched setup.

pearlnotchback · Sep 12, 2012

I have a Griffin radiator and been using the same Proform fan for 5 years. in 100 degree humid southern weather my car will only run around 190 degrees. The Proform has always worked for me

boostfrk · Sep 13, 2012

HISSIN50 said:
One of the guys with an early fox installed an aftermarket fan of some sort into the stock shroud (I'm associating the thread with a guy who either had an '86 or had 86 in his username - but I could be wrong). It was a big thread and might have been a sticky at one point.

I was also wondering (along with Scott, et al) how this set-up was doing for you, temp wise. That, along with how reliable you think the circuit is, might determine how quickly you replace anything.

I believe you may be thinking of 85_SS_302_Coupe. His thread is here http://www.stangnet.com/mustang-forums/threads/e-fan-with-stock-shroud-how-to-check-it-out.755550/. That's what gave me this idea in the first place, along with the fact I just never felt the fan that's on there now covered a decent amount of the radiator face area.

The setup seems to be working OK from what I can tell. I bought a simple fan controller that turns the fan on at 185F and off at 170F. If you believe the factory temp gauge the fan kicks on when the gauge reads 200F. As soon as the fan kicks on, the needle never rises, it just goes down.

I don't think I need to replace anything right away. There are a couple main reasons I wanted to find a stock shroud and use it.

1. If I could use the stock shroud and mount the e-fan in the stock shroud, I figured I could get better coverage across the radiator face as the stock shroud would cover the entire radiator face (or nearly all of it) as Ford originally intended.
2. Stock look. I don't really care for just having a bare radiator with the e-fan bracketed on in my engine bay. I've seen a lot that look nice, mine just looks cobbled up.
3. With the stock shroud I'd have a place to mount the factory overflow bottle. The PO rigged up the washer fluid reservoir and the overflow bottle. I'd like to be able and get away from that.

Cobra912 · Sep 13, 2012

save yourself some time and headache and ditch that fan. absolute garbage. won't cool anywhere near an acceptable level and will break guaranteed

boostfrk · Sep 13, 2012

I may work on piecing together a new setup over the coming months. Stock shroud, Taurus junkyard fan and the base $80 DCC controller. This should give me a reliable setup, look relatively stock, and allow me to mount my overflow tank back on the stock shroud.

HISSIN50 · Sep 13, 2012

boostfrk said:
I believe you may be thinking of 85_SS_302_Coupe. His thread is here http://www.stangnet.com/mustang-forums/threads/e-fan-with-stock-shroud-how-to-check-it-out.755550/.

Indeed, you're correct. Apologies to 85SS. I knew it was a pre aero guy but I haven't been on here in some time (my cache of usernames has faded).

The only concern one might have is that your temp readings are based on the stock gauge. We both know its accuracy can leave something to be desired. I've seen them read as much as 35* too cool. I'd at least confirm the temp with the ECT or another mechanism, but it sounds like you've been doing just fine.

I like your ideas about shroud coverage, etc. That sounds like a good plan with whatever fan you choose to use long term.

One last thing - regarding hysteresis. Unless you run a balanced 160* t-stat, your fan settings are too low. If you're running a non-balanced 160 (which might fully open at 172-175*F ) or any sort of 180 (balanced or not), the fan will be running even when the stat is closed. One really wants to have at least 5-10*F of spread between the temp that the stat is fully open and the temp that the fan shuts off. This allows the cooling system to cool as best as it can on its own for a little bit, and then the fan is utilized as necessary. It also keeps the fan from running almost non-stop [once the car is warmed up] since it will continue to run when the t-stat has closed. Not much of an issue in the summer, but if you drive the car in the colder months..........

f8tlfiveo · Sep 13, 2012

pearlnotchback said:
I have a Griffin radiator and been using the same Proform fan for 5 years. in 100 degree humid southern weather my car will only run around 190 degrees. The Proform has always worked for me

same here.. I made a custom shroud though

Cobra912 · Sep 13, 2012

bought a mint dual contour fan for $20 bucks, best fan I have ever used..........won't let the car hit 180* at the track (no thermostat) if I leave it running

mikestang63 · Sep 14, 2012

I keep hearing mixed/different opinions on this fan. I just bought one of these pro form fans new for my stock 90 lx, as it is an easy install, comes with the controller installed, and I got it for less than $100. Should I bring it back or install it and see if it works good enough. Right now, I have the stock fan and clutch that are working just fine. Just looking to free up a few horsepower, clean up the engine and keep the motor cool.

pearlnotchback · Sep 14, 2012

mikestang63 said:
I keep hearing mixed/different opinions on this fan. I just bought one of these pro form fans new for my stock 90 lx, as it is an easy install, comes with the controller installed, and I got it for less than $100. Should I bring it back or install it and see if it works good enough. Right now, I have the stock fan and clutch that are working just fine. Just looking to free up a few horsepower, clean up the engine and keep the motor cool.

I have been using mine for years without any problems.

boostfrk · Sep 14, 2012

From what I've heard nothing really cools like the stocker, you just have to make sure the clutch stays in good shape. Depends on how desperate you are for that supposed extra HP.

If I still had the stocker I would probably keep it.

f8tlfiveo · Sep 15, 2012

Mine works fine.. But it doesn't have the cfm of the stocker or a contour or Taurus fan.. I would take it back if you can

f8tlfiveo · Sep 15, 2012

Mine works fine.. But it doesn't have the cfm of the stocker or a contour or Taurus fan.. I would take it back if you can.

mikestang63 · Sep 16, 2012

Returned the fan today. picked up from the UPull it a Taurus fan for $15 for when the time comes to upgrade. The stock setup is working fine and no sense in messing with it.

Engine Proform E-fan - Stock Shroud Req'd?

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