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Old 11-19-2010, 07:52 PM   #1
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Exclamation hey guys, need some help...

I'm startint to have a few problems with the jeep... I'm in desperate need for a radiator. The fan clutch is locked up solid, as winter is just about here the jeep never warms up, never see anything close to 210 on the gauge.


I'm am wanting to upgrade parts as they fail.

1. Aluminum radiator, nothing fancy, just a single or double row
2. Wanting to get rid of the stock fan and go with an electric fan.

Any suggestions?

Thanks in advance,
Nate

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Soon to come mods: 4" full traction lift, 4.56 gears, 35X10.50R15 boggers, 35X12.50 cooper st tires, spooled rear end, and much more.
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Old 11-19-2010, 08:01 PM   #2
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I did a ford Taurus electric swap. They fit nicely on Jeeps. (and very cheap to do)

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Old 11-19-2010, 08:55 PM   #3
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Go to a rad shop and find out how much it will cost to build you a rad. But if your going that route why not get a proper sealed electric fan that won't crap out after the first couple of muddy trails it sees , leaving you stranded?
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Old 11-21-2010, 01:59 PM   #4
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i found a radiator, it will be in on tuesday.

for the fan, what do you recomend? wanting to stay cheap, not too much money to spair, you know the deal.

I went through oreilly's and found a rad all aluminum radiator for 116, will find out tuesday if it will fit for sure,

What would be a good fan to use? would a shroud be good use?
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1977 Cherokee ChiefEdelbrock 1406, 33X12.50, front 1.5 inch shackle lift. AMC 360, th400 Quadra-Trac
2002 wrangler, stock 4.0, auto, 33X12.50 maxis buckshot, AEV Highline Body kit, Ford 9 inch rear end.
Soon to come mods: 4" full traction lift, 4.56 gears, 35X10.50R15 boggers, 35X12.50 cooper st tires, spooled rear end, and much more.
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Old 11-21-2010, 02:10 PM   #5
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Quote:
Originally Posted by crazyredneck View Post
The fan clutch is locked up solid, as winter is just about here the jeep never warms up, never see anything close to 210 on the gauge.
Do you have the right thermostat in there?
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Old 11-21-2010, 03:02 PM   #6
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Quote:
Originally Posted by Fweaky View Post
Do you have the right thermostat in there?
ive never changed it, but with the fan clutch locked up a cannot go out on the highway because the fan has soo much pull as 2500rpm that it causes the belt to slip on the water pump and thus causing it to over heat...

i know that the thermostat needs changed, i will do this at the same time i change out my radiator.

i am still wanting to put an electric fan on there. free up a little power out of the motor.
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1977 Cherokee ChiefEdelbrock 1406, 33X12.50, front 1.5 inch shackle lift. AMC 360, th400 Quadra-Trac
2002 wrangler, stock 4.0, auto, 33X12.50 maxis buckshot, AEV Highline Body kit, Ford 9 inch rear end.
Soon to come mods: 4" full traction lift, 4.56 gears, 35X10.50R15 boggers, 35X12.50 cooper st tires, spooled rear end, and much more.
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Old 11-21-2010, 06:50 PM   #7
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found some parts, would like an advice before i buy, part links are below.

fan:
Summit Racing SUM-G4904 - Summit Racing Street & Strip® Electric Fans - Overview - SummitRacing.com

wiring kit, which one would be better? One turns on at 185, the other at 200.

Summit Racing SUM-890016 - Summit Racing® Electric Fan Thermostat Kits - Overview - SummitRacing.com

Summit Racing SUM-890015 - Summit Racing® Electric Fan Thermostat Kits - Overview - SummitRacing.com

http://www.summitracing.com/parts/FLX-31147/?rtype=10
question(s)
Will the fan be large enough to cool the radiator down?
Which wiring harness would be better?
Where will the sensor screw into?
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1977 Cherokee ChiefEdelbrock 1406, 33X12.50, front 1.5 inch shackle lift. AMC 360, th400 Quadra-Trac
2002 wrangler, stock 4.0, auto, 33X12.50 maxis buckshot, AEV Highline Body kit, Ford 9 inch rear end.
Soon to come mods: 4" full traction lift, 4.56 gears, 35X10.50R15 boggers, 35X12.50 cooper st tires, spooled rear end, and much more.
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Old 11-21-2010, 07:58 PM   #8
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Why not just put a new clutch on the fan for $50 and not try to reinvent the wheel?
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Old 11-22-2010, 06:35 AM   #9
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Why not just put a new clutch on the fan for $50 and not try to reinvent the wheel?

Not trying to reinvent the wheel, electric fans are great upgrade for vehicles. On my 82 mustang I installed a elec. fan and you could definitely feel a difference in both the seat of your pants and at the pump. But on the stang I just installed a toggle switch for it as I didn't care what the car looked like. It was a fast beater. My jeep is not a beater, when I upgrade parts I would like to correctly install them.

There are more efficient parts than what come out on the jeeps from the factory. I'm trying to change one part on my cooling system. I'm not trying to redesign where the radiator is goin.
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1977 Cherokee ChiefEdelbrock 1406, 33X12.50, front 1.5 inch shackle lift. AMC 360, th400 Quadra-Trac
2002 wrangler, stock 4.0, auto, 33X12.50 maxis buckshot, AEV Highline Body kit, Ford 9 inch rear end.
Soon to come mods: 4" full traction lift, 4.56 gears, 35X10.50R15 boggers, 35X12.50 cooper st tires, spooled rear end, and much more.
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Old 11-22-2010, 06:39 AM   #10
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If funds are tight replace the thermostat and fan clutch, can't beat the reliability.
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Old 11-22-2010, 10:54 AM   #11
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I've always been interested in this mod, check out here for some good info Electric Fan Conversion and HP Gains... - JeepForum.com

I have some links on prebuilt kits back home on my pc, I'll post em when I get home
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Old 11-23-2010, 09:29 AM   #12
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Quote:
Originally Posted by MikalCarbine View Post
I've always been interested in this mod, check out here for some good info Electric Fan Conversion and HP Gains... - JeepForum.com

I have some links on prebuilt kits back home on my pc, I'll post em when I get home
Thanks for the help, any more would help me a lot. Thanks mikal.
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1977 Cherokee ChiefEdelbrock 1406, 33X12.50, front 1.5 inch shackle lift. AMC 360, th400 Quadra-Trac
2002 wrangler, stock 4.0, auto, 33X12.50 maxis buckshot, AEV Highline Body kit, Ford 9 inch rear end.
Soon to come mods: 4" full traction lift, 4.56 gears, 35X10.50R15 boggers, 35X12.50 cooper st tires, spooled rear end, and much more.
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Old 11-23-2010, 10:57 AM   #13
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Quote:
Originally Posted by MikalCarbine View Post
I've always been interested in this mod, check out here for some good info Electric Fan Conversion and HP Gains... - JeepForum.com

I have some links on prebuilt kits back home on my pc, I'll post em when I get home
That thread is a freakin train wreck. An electric fan is on my list of must-do mods (after I finish some higher priority repairs). A mechanical fan loads the engine constantly. An electric fan only loads the alternator when it's on. My buddy has an electric fan in his YJ. It stays off while driving on the freeway and most of the time around town - oh and all winter. He saw noticable MPG gains with the swap.
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Old 11-23-2010, 11:48 AM   #14
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I picked up a aluminum rad from NAPA for about $120, haven't had a problem since.
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Old 11-23-2010, 12:18 PM   #15
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I just did the flexalite fan upgrade but am having trouble finding a toggle switch that lights up in the off position. Anyone know of such a thing? The reason for this is instead of cluttering up the engine bay, I used a unused spot in my fuse/relay box and utalized a unused pre wired relay for the key on feed. But I need to put a toggle on the inside of jeep using unused ground wire in factory loom. So the toggle will be switching the ground going to the relay in turn taking power off the fan and shutting fan off for water crossing. But Im kinda picky and want a led light on the toggle telling me the fan is off. Anyone have any ideas?
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Old 11-23-2010, 03:04 PM   #16
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Jeep, if you have any electrical skills you could brew a small reverse logic circuit using radioshack parts to easily power that LED. I may be way overthinking that one though and I'm sure there's a premade solution out there. Do a little googling and if you can't find much shoot me a PM and I'll try to design you something.

I checked my bookmarks and I can't seem to find what I was looking for. However I do remember looking at the Flex-a-lite kits for several reasons. They are:

1) Fan is bolt on
2) Comes with a control module so you don't need to home brew any circuits
3) Comes with a temp probe for the control module

It may be a bit pricey (not sure of price) but it's definitely the easiest and cleanest. I think the control module is adjustable too so you can fine tune when it kicks on.
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Old 11-23-2010, 03:57 PM   #17
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on my Motorcycle, there is a dual fan, I'm wondering if those would work / fit ?
you can find the pair for about $40.

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Old 11-23-2010, 04:21 PM   #18
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How would you plan on mounting those? How much current do they draw? You also wanted to compare CFM between the fans (stock vs other)
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Old 11-23-2010, 08:59 PM   #19
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Mikal, Thanks for the info. I called Flexalite this morning and appearently there is some bad weather out west and the place is closed down for the day... I did however find a switch from Cole Hersee that will work. Man I wish I could just throw stuff in there and cover it w just loom but I guess I have too much time on my hands. Hey I love that fan so far and it does come pretty complete, cant wait to finish up and try them out... Huge cfm too, those motorcycle ones seem a little small...
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Old 11-23-2010, 10:55 PM   #20
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I dont know how many amp they're pulling but it cant be more, I have to check the CFM , I was just looking at them and thought that maybe they would work. I know on my bike having the dual fan works great (most mc have only 1)
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Old 12-03-2010, 08:41 PM   #21
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found a steal of a price on the flex a lite 475. Over on Auto Anything they offer a 15% discount and free shipping through tonight.

the fan is priced at just under 190 before the discount.
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1977 Cherokee ChiefEdelbrock 1406, 33X12.50, front 1.5 inch shackle lift. AMC 360, th400 Quadra-Trac
2002 wrangler, stock 4.0, auto, 33X12.50 maxis buckshot, AEV Highline Body kit, Ford 9 inch rear end.
Soon to come mods: 4" full traction lift, 4.56 gears, 35X10.50R15 boggers, 35X12.50 cooper st tires, spooled rear end, and much more.
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Old 12-03-2010, 08:57 PM   #22
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That come with the controller too?
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Old 01-12-2011, 03:02 AM   #23
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I went with the mid 90"s ford taurus fan as well and found a universal thermostat switch at orileys that was easy as can be to wire...plus you can adjust the temp setting to tell the fan at what temp to come on. all together i spent right at 200 for the fan and switch. Let me tell you, that fan can move some freakin air!!!. I found out the hard way but when wired on high the fan has a 33 amp draw on it so keep this in mind when putting you fuse inline. this thing comes on for about 15-20 seconds and goes off...this was in june when i did this and im in the Western Kentucky...average temp outside was right at 95...I was very impressed at the performance. The two tricky things are your exact method of mounting the fan to the radiator...and coming up with a way to mount the coolant resivor. I just cut the resivor part off my old shroud till i can make a proper bracket and bolted it on. Its all about being a little creative

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