A few electric fan questions

[Manic Mechanic]

I'm not sure twin fans are necessary that's alot of air besides most vehicles only have one cooling fan the second one is typically for AC. I'll try to get a pic this morning we've had 2 days of weather here

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[gr8dain]

I went with the twin fan set up for a ford contour. My understanding is that it is about maximizing the area of the radiator getting air pulled through it. The two fans and shroud for the countor fit the radiator of my CJ perfectly. One bigger fan would work, but I felt that the corners of the radiator would be too much area un-utilized. But then again, with the two fans, there is still unused areas. So ....... who knows. All I know is that the original single large fan worked. And now the twin smaller fans work as well.

 

[j6824]

I went with the twin fan set up for a ford contour. My understanding is that it is about maximizing the area of the radiator getting air pulled through it. The two fans and shroud for the countor fit the radiator of my CJ perfectly. One bigger fan would work, but I felt that the corners of the radiator would be too much area un-utilized. But then again, with the two fans, there is still unused areas. So ....... who knows. All I know is that the original single large fan worked. And now the twin smaller fans work as well.

+1...fits like a glove

This is the one I went with...lopped the plastic hooks off the sides with a cutoff wheel and fastened it with the pull-through jobbies that go through the fins:

https://www.rockauto.com/en/moreinfo.php?pk=7148432&cc=1413964&jsn=453

https://shop.advanceautoparts.com/p...XOiWxWYQ3lLdnsPlYJgaAic_EALw_wcB&gclsrc=aw.ds

 

[Kal]

I'm not sure twin fans are necessary that's alot of air besides most vehicles only have one cooling fan the second one is typically for AC. I'll try to get a pic this morning we've had 2 days of weather here

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Oh no worries, I understand. We've been having high winds here with a touch of snow dustings so nothing is getting done here either. My jeep is being used as an anchoring point for my car canopy, lol. I was thinking twin fan because as a friend of mine said you can wire one fan to come on at a lower temp and the other kicks on above a certain temp. I agree with you, normally I probably wouldn't need that much cooling, at least not where I'm at, but most of the jeep gatherings and trail runs are down in the valley (Phoenix area) and it gets pretty warm down there in the summer months. I don't want to take a chance on overheating.

I went with the twin fan set up for a ford contour. My understanding is that it is about maximizing the area of the radiator getting air pulled through it. The two fans and shroud for the countor fit the radiator of my CJ perfectly. One bigger fan would work, but I felt that the corners of the radiator would be too much area un-utilized. But then again, with the two fans, there is still unused areas. So ....... who knows. All I know is that the original single large fan worked. And now the twin smaller fans work as well.

I've read that the contour fan is what people were using but wrecking yards are scarce around here. There are a few twin fans in aluminium shrouds on ebay I was looking at that are "made for jeep" but I'm waiting to get word back on a radiator before I take the jump. Now that you mention it it does make sense about having more surface area for pass-through air with a twin setup. Less air blockage. I was thinking single or twin fan from just a cooling power standpoint.

 

[gr8dain]

Oh no worries, I understand. We've been having high winds here with a touch of snow dustings so nothing is getting done here either. My jeep is being used as an anchoring point for my car canopy, lol. I was thinking twin fan because as a friend of mine said you can wire one fan to come on at a lower temp and the other kicks on above a certain temp. I agree with you, normally I probably wouldn't need that much cooling, at least not where I'm at, but most of the jeep gatherings and trail runs are down in the valley (Phoenix area) and it gets pretty warm down there in the summer months. I don't want to take a chance on overheating.





I've read that the contour fan is what people were using but wrecking yards are scarce around here. There are a few twin fans in aluminium shrouds on ebay I was looking at that are "made for jeep" but I'm waiting to get word back on a radiator before I take the jump. Now that you mention it it does make sense about having more surface area for pass-through air with a twin setup. Less air blockage. I was thinking single or twin fan from just a cooling power standpoint.

I bought a new Dorman fan set up off of Amazon.

 

[Manic Mechanic]

Here's the 16" I went with. As for the blue I'm matching some accents under my hood. When I went to aluminum my cooling improved drastically. Even off roading in the summer I don't notice any change in temp it runs cool

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[Kal]

+1...fits like a glove

This is the one I went with...lopped the plastic hooks off the sides with a cutoff wheel and fastened it with the pull-through jobbies that go through the fins:

https://www.rockauto.com/en/moreinfo.php?pk=7148432&cc=1413964&jsn=453

https://shop.advanceautoparts.com/p...XOiWxWYQ3lLdnsPlYJgaAic_EALw_wcB&gclsrc=aw.ds

What did you use as a wiring harness?

 

[Kal]

Here's the 16" I went with. As for the blue I'm matching some accents under my hood. When I went to aluminum my cooling improved drastically. Even off roading in the summer I don't notice any change in temp it runs cool

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That actually looks pretty cool. What radiator did you go with? I'm trying to find a aluminum 3 row that is affordable hence why I was asking about champion at the start of this thread.

 

[Manic Mechanic]

Think it was this one. Got it from eBay I offered 115 settled on like 120. I know I'm cheap

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[Kal]

Think it was this one. Got it from eBay I offered 115 settled on like 120. I know I'm cheap

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Hey, nothing wrong with being cheap. I got to redo this jeep on a tight budget so I'm right there with ya. I'm going to be lucky to buy seats for this thing by the time I'm done. Are you running the radiator yet, and if so how's it working out?

 

[Manic Mechanic]

Been running it since December. Works great the relay kit I bought for the fan control was a bit hard to figure out as the instructions were clear as mud. But it's doable.

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[Kal]

Did the relay/sensor kit come from ebay too?

 

[Manic Mechanic]

No fan and relay kit came from Amazon I included links in an earlier post

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[Kal]

No fan and relay kit came from Amazon I included links in an earlier post

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Shoot, I missed it, sorry.

 

[caveman]

Think it was this one. Got it from eBay I offered 115 settled on like 120. I know I'm cheap

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Hey, I was cheap when I built my rig also. I bought a similar radiator for about $100 a few years ago. only thing wrong was mounting holes weren't quite right. A little filing made it right.

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[Manic Mechanic]

Mine fit no problem

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[Manic Mechanic]

I'd say one of these 2 ports in the intake would be your best bet but I need to look closer before (when it's warmer and dryer) I make a commitment

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[Kal]

I'd say one of these 2 ports in the intake would be your best bet but I need to look closer before (when it's warmer and dryer) I make a commitment

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No worries man, you got some time. It's not like I'm going to work on it tomorrow or anything. I'm still in the parts gathering stage so it's going to be a little bit.

 

[Manic Mechanic]

That's fine. As you can see my wife's CJ7 is on the back burner waiting for time and money

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[Kal]

I hear ya, which is why I'm on a tight budget, lol. My wife says no more money, lol.