cooling problems - Off-Road Forums & Discussion Groups
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post #1 of (permalink) Old 06-06-2001, 12:52 PM
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cooling problems

The 12" electric fan fitted on my CJ doesn't seem like it is going to pull enough air to cool the 350. How can I fit on a mechanical fan cluch when there is only 2" between the water pump(stock I think) and radiator. The radiator also seems like it is pushed as far forward as possible. Are there any solutions to this that you guys know of?
thanks
Rick

'70 CJ5 chevy350
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post #2 of (permalink) Old 06-06-2001, 01:05 PM
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Re: cooling problems

Is it a stock radiator, how many cores does it have? I've heard that some of the aluminum after market units do a good job of dropping the temperature down , but they are expensive.

82 Scrambler/360/T5/D300/4" SUA/AMC20/Rear Discs/Somers Bros Axles/D30/3:73's/Lockrite Lockers.
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post #3 of (permalink) Old 06-06-2001, 01:08 PM
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Re: cooling problems

i don't know how many cores it has or if is stock. Can i count the cores by looking at it?

'70 CJ5 chevy350
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post #4 of (permalink) Old 06-06-2001, 01:56 PM
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Re: cooling problems

Here;s an article I found while I was looking around. Maybe it will help you out a little: http://www.outdoorwire.com/4x4/jeep/...e/yjcooling01/

82 Scrambler/360/T5/D300/4" SUA/AMC20/Rear Discs/Somers Bros Axles/D30/3:73's/Lockrite Lockers.
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post #5 of (permalink) Old 06-06-2001, 02:31 PM
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Re: cooling problems

Try putting another electric fan on the front of the radiator.. take out the thermostat... and flush your cooling system.. if that doesnt work.. Get another radiator..

<font color=blue> Muddynut </font color=blue>
<font color=red>[img]/wwwthreads_images/icons/cool.gif[/img] 78 CJ7 "Issues" </font color=red>[img]/wwwthreads_images/icons/cool.gif[/img]
post #6 of (permalink) Old 06-06-2001, 03:10 PM
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Re: cooling problems

Don't take out the thermostat...that only works when the T-stat is bad. Your fan is too small. On a small block you need at least a 16" electric fan...and you need a shroud around it so that it pulls air through the radiator over the full area. One option is to keep the 12" and offset it to one side. Then put another 12" pusher on the front of the radiator offset to the other side of the radiator.

John...southern CA
84CJ7, 3"lift, 32"BFG, 4.10's, ARB Rear, Detroit Front, Solid Axle's, Durabak, York Air

They say we learn by our mistakes......I guess thats why we are all so smart.
post #7 of (permalink) Old 06-06-2001, 04:47 PM
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Re: cooling problems

that sounds like a pretty good idea. i don't have room for a 16" fan so adding another to the front may be the ticket. As long as the trans cooler isn't in the way that is. It is on the side I need.

'70 CJ5 chevy350
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