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Old 04-21-2008, 09:53 AM   #1 (permalink)
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Electric Fan

I'm looking for some pics of how you trimmed/modified/installed; either the Lincoln Mark VIII, Mystic, or Taurus electric fans into your CJ. The search turned up a few installed pics, but didn't find any 'how to' threads.

I've got about 4.25" of clearance from the grill shell to the front of the waterpump pulley. My stock Mustang fan hangs below the lower radiator tank.


Also, any user feedback on the Flex-A-Lite part 575, dual 12" CJ fan? Kind of pricey, but would like an evaluation if you've got one.

Thanks.
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Old 04-21-2008, 11:49 AM   #2 (permalink)
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how much room is between your belt pulley and your radiator?
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Old 04-21-2008, 12:52 PM   #3 (permalink)
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The radiator core is set forward about 3/8" inside the grill shell. So I'd say there is a good 4.5" of room from the pulley face to the core.

Note: This is a 4 row from Extreme Radiator, they could give me a bit more room for the mechanical fan by moving the core forward. Unfortunately, the stock 'stang fan is too large, so rather than use a smaller fan, I'm thinking electric.
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Old 04-21-2008, 01:47 PM   #4 (permalink)
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the fan might just fit right. even though on paper it might be right against it you have to take into acount the fan is off center. look in the pic above.







also i love mine. check my build for wiring. and parts
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Old 04-21-2008, 04:02 PM   #5 (permalink)
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Good looking project. But I didn't see any pics of how you really mounted it to the radiator/grill shell. And you mentioned something about a custom shroud, but never saw that.

Any more pics?

And anyone got pic in a CJ?
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Old 04-21-2008, 04:41 PM   #6 (permalink)
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i planned on building one then when i got the fan and my radiator was pulled it fit perfectly! like it was made for it. only missin a inch or so of the top and a hair on the bottom. but it was flush and secure.
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Old 04-21-2008, 06:24 PM   #7 (permalink)
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The Taurus fan & shroud is smaller then the Lincoln MK VIII. The Lincoln shroud measures 18"x22"x3". (I can get a depth with the motor included if you would like.) You can trim off all of the plastic brackets and use your own. I just make some simple L brackets. The shroud covers 100% and then a bit of my YJ radiator. You can trim some of the material so the shroud isn't as wide with a jigsaw or sawzall.

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Old 04-21-2008, 07:11 PM   #8 (permalink)
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So is that a pic of the Taurus or the Lincoln fan? Does the shroud fit against the core or does it rest on the radiator mounting brackets?
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Old 04-21-2008, 07:28 PM   #9 (permalink)
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Quote:
Originally Posted by Hackfabricaton View Post
So is that a pic of the Taurus or the Lincoln fan? Does the shroud fit against the core or does it rest on the radiator mounting brackets?
Mine is a Lincoln MK VIII. The shroud is supported by the brackets. The shroud is big enough that it won't fit between the tanks as you can sorta see. The shroud covers the seam the tanks.

I've seen guy's cut the should lip down a few inches so the fan sits closer to the core. Keep in mind though the fan is 18" unlike the Taurus 16" fan. Making your own brackets is simple. The hardest part is adjusting the shroud so it fits your radiator. You'll want to know what your core measures before buying one.
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Old 04-21-2008, 08:15 PM   #10 (permalink)
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So what is the depth of the fan? 4"? 5"?

Thanks for the info.
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Old 04-21-2008, 09:21 PM   #11 (permalink)
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Quote:
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So what is the depth of the fan? 4"? 5"?

Thanks for the info.

I'll go measure it tomorrow morning. But like I said, you can trim the leading edge of the shroud on either model to get them a bit closer to the core.
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Old 04-21-2008, 10:01 PM   #12 (permalink)
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i posted a pic bro
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Old 04-22-2008, 02:51 AM   #13 (permalink)
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MG and Jeffy, thanks for the replies! Looks like I'm heading to the JY this week to locate a fan.

I'll do some Hack Fab'n on it and see if I like the way it looks/fits.
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Old 04-22-2008, 05:32 AM   #14 (permalink)
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Hack,

Man that engine compartment of yours looks great. Keep up the good work.

After lowering my Jeep's body onto the frame a bit, clearance was extra tight for me and I thought the solution was a Tauras fan, so I went to the wreckers & bought the same one as Mean Green has. It was way to thick to stuff inbetween the water pump pulley (350) and the rad.

I was desperate & this is what I did:

I pulled the shroud off & was able to get it to fit to the one side of the rad nicely. Better than no fan at all right? I then made 3 brackets outta bar-stock, that mount to the 3 screw holes as seen on MeanGean's pic above.







I have 2 brackets to the grill, one to below the grills crossmember.
I know it looks weird, but it just may work with a shroud to go over top.

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Old 04-22-2008, 07:14 AM   #15 (permalink)
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Thanks for the props. But, it's getting tight in there:


And I might just do something similar, although I'm thinking that if I have to, I'll pull the fan from the OEM shroud. Then Hack Fab up a new shroud out of either steel or aluminum that will also act as the mount.
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Old 04-22-2008, 09:27 AM   #16 (permalink)
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Hey Noahsjeep...
I'm running the Taurus fan as well, and my 360 offers less space than your 350 does...it also looks like we have a very similar 3 core radiator. What I did was...remove my radiator and mounted it on the inside of the grill rather on the out side...this gained me roughly a 1/4 inch. Than with some very light trimming to the shroud, I was able to to sit the entire fan and shroud inside the top and bottom lip of the radiator...this gained me another 1/4 inch. Than I fastened the entire assembly to the radiator with 5 fan straps, "they look like long zip ties with a flat surface at either end". You drill a small hole in the shroud and slide the strap through your shroud and radiator and fasten it on the other side...$5 at any auto parts store.
And no offence, but running your fan without the shroud is almost totally worthless.

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Old 04-22-2008, 01:20 PM   #17 (permalink)
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Okay, check at a local JY and found a decent Mark VIII that wasn't hit in the front. I'm going to have them pull the fan tomorrow and I'll start another threat with the Hack Fab install.

Thanks to all that replied!!!!!!!
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Old 04-22-2008, 01:40 PM   #18 (permalink)
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That's a clean looking build. Good luck on the fan.

Here are some picts of what I was talking about on how to make the shroud slimmer. Oh, you'll probably want the plug end of the fan as well. Hopefully they will cut off the whole plug for you. This makes it easier to take out if you need to rather then having everything hardwired into place. I use my fan on the Lo speed circuit, but it still blows a lot of air. You'll probably want to tinker around with it and see if you need to set up the hi-speed circuit. If you run the lo only, you won't need the high-amp relay. Otherwise, you'll want to run it.

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Old 04-22-2008, 03:28 PM   #19 (permalink)
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Thanks, I'm going to make certain the if the yard pulls it (as opposed to allowing me do it), that the shroud doesn't get all fawk'd up. And that they give me as much of the harness on the body side that they can.

I'm going to try and wire it so both speed work. I've got some more research to do, becuase there is a way that my EEC-IV computer can control the fan on/off.
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Old 04-22-2008, 08:36 PM   #20 (permalink)
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4 inches is plenty. I installed a Ford Contour on Mine. The contour is less than 4 inches. No trimming required to install on a CJ radiator. A little more cfm than the taurus.



edit A better pic
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Old 04-23-2008, 03:21 AM   #21 (permalink)
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That Contour fan looks good. Unfortunately all the Contours at the local yard had been hit hard in the front.

How did you control the dual fans? And how many amps do they draw?
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Old 04-23-2008, 05:29 AM   #22 (permalink)
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Not sure on the amps. I used a cheap AZ controller, Torqflo. I think it was about $30 or so. I believe the Mystic 6 cly also has the dual fan setup.
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Old 04-23-2008, 10:22 AM   #23 (permalink)
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I went to the local P&P. Wheelbarrow days: If you can get into one of their wheelbarrows, you can take it out for $50. So.... They wanted $30 for a Contour twin fan, I spotted a couple Taurus 3.8L fans, along with a 3.8L Tbird and 4.6L Tbird fan. Pulled all of them: Five fans for $50. The Tbird fans are probably too big for a bolt up to the CJ radiator, but I'm going to mock them all up later this week and shoot some pics.

I'll be starting a new thread with the results.
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Old 04-23-2008, 10:36 AM   #24 (permalink)
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Hack, i've got a Lincoln fan i'll trade you for your stock fan & clutch. my 5.0 is almost ready to drive and i threw all the stock stuff away cuz i had this Lincoln fan......

the Lincoln fan is deep tho, even in my big ass Galaxie. it's about 5.5", but the shroud could be trimmed down about an inch.
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Old 04-23-2008, 10:56 AM   #25 (permalink)
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Thanks for the offer. Unfortunately, the Mark VIII fan is way too big (physically) for what I want. The actual CJ core is just under 16" tall. So an 18" fan isn't going to fit the way I want it too. The T-Birds are probably too big also, but I won't know until I try them. One came out of a 3.8L, the other out of a 4.6L. They appear to be identical.

I'll probably just list the fan/clutch for $50 (the fan is OEM Ford NOS, the clutch is in near perfect shape).
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