In response to,,, I give up!! - Off-Road Forums & Discussion Groups
Jeep-Short Wheelbase All discussion of short wheelbase Jeeps: CJ, TJ, YJ and JK

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post #1 of (permalink) Old 02-12-2002, 12:33 PM Thread Starter
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In response to,,, I give up!!

I think I will throw my 2cents in here. I had a similar problem with a street rod that we built about 6 years ago. We used a custom frame and the motor and radiator had a slightly different match up than the stock configuration. (the fan sat closer at bottom and farther away from rad. at top). We also used a 5 core high fin design rad. That is where the problem was found. After several months of agony trying to get this thing to cool I took it to rad shop for a flow test. (This was after several rad changes) I wanted a complete flow test. We had dropped the motor mounts to get the rad and fan parallel. After a few minutes of looking my system over The guy turned to me and said your to far away from the rad about (3") and with the high fin density and 5 cores it takes twice the air flow to cool. By the time the air got through the 1st 3 cores it was heating up the back 2. Just for sh*&^'s and giggles, at this point we were ready to try anything, We installed a standard 4 core rad. with shroud and hoped for the best. Well the problem went away. No more heating up at slow or high speeds. This guy was about 70 something and I still us his rad shop to make all my rads for me.

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post #2 of (permalink) Old 02-12-2002, 01:01 PM
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Re: In response to,,, I give up!!

Hmmm,Good thought, I did run a 2 row and a 3 row (the 2 row was in it and worked fine for years before I took it all apart. I have some slant as you describe, but only about 1" on top and ~1/2-3/4" on bottom. I wonder what one should expect to see with an anemometer mesuring the airflow from the fan??

thanks, Sure hate to buy yet another radiator though.

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