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Unread 02-10-2003, 11:25 PM   #1
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1985 CJ7 
Join Date: Nov 2001
Posts: 35
cj7 radiator

I want to put a new radiator in my
85 cj7 and I want to upgrade to a
three row. When I call to order one,
however, I get asked if the cap is
in the center or on the drivers side.
My original 2 row has the cap in
the center. The problem I seem to be
running into is no one has a 3 row
for the center cap option. The question
I have is ... what's the difference between
the center cap and driver's side cap
radiators? Is it a mounting or
inlet issue or what? Is this something
I should be concerned about when



85 CJ-7 258 with MPI

blackdog is offline   Reply With Quote
Unread 02-11-2003, 12:02 AM   #2
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Join Date: May 2002
Location: Alaska
Posts: 67
I don't know the answer either, but I would like to know. All of the radiators I've had in past CJ's all had the filler cap on the side. I am doing a build up on a 85 CJ7 that had a four cyl engine and the radiator is gone. I am going to put a 6cyl in it and I don't have the radiator from the donor CJ and I was wondering if the engines would be the difference.
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Unread 02-11-2003, 12:32 AM   #3
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1986 CJ7 
Join Date: Jun 2001
Location: Mobile, Alabama
Posts: 4,123
Did you check the major players? 4 wheel drive hardware.....Quadratec, etc? they should have one. I went with the center cap 3 row on my 86 and the temp went from 1/2 normal and 3/4 on really hot days/hard driving to 1/3 all the time now. Also change the fluid and therostat at the same time.

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Unread 02-11-2003, 08:56 AM   #4
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Location: Ferndale, MI
Posts: 132
I have a 4 core Performance Radiator. The thing is big, and stays cool. Their site does ask You the same thing about the cap though. They could tell You why, I don't see much reason, mabey the hoses are different. Seems like the only reason they would ask is because of the overflow tube and where it resides. But who knows.

'84 CJ-7, 6" lift, 33" BFG's, I6, .030 Over, Comp Cam, 400cfm Weber, K&N, T-18, 4 Core, Snorkel, D60 Detroit, Custom CV Driveshaft, 1350 U-Joints, D30 True Trac, Alloy shafts, S.R.S. w/ buggy springs, Custom Folding Shackles and Spring Hinges, Custum Tire Rack, Designed On Board Air, Optima's. Sneaky Jeep Owner #3.
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Unread 02-11-2003, 09:05 AM   #5
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1979 CJ7 
Join Date: Dec 2001
Location: Santee, CA.
Posts: 753
Hmmm - never seen a radiator cap on the side in a CJ, either I-6 or V-8....I run the 3 row with my 360 and it's fine.

This is a good place to get what you need though..

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Unread 02-11-2003, 09:21 AM   #6
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I ordered a 3 core to repalce my 2 core a couple years back in my '84 CJ-7. I got it from Radiatorexpress.com . The cap was on the drivers side though. I can't imagine that where you put the fluid in, matters at all. Really, that's all that you would be changing.
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Unread 02-11-2003, 03:00 PM   #7
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4wd Hardware has a 3 row, and I beleive a 4 row.


1977 CJ-7 with all stainless hardware, fittings. hoses and lines.
Glass body in fresh Imron Medium Royal Plum Purple with bright freaking yellow interior.
New Tuffy Stereo Security Console
New BesTop Supertop
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33 X 12.50 Yokohama AT + II, I dumped my FRENCH made BFG's
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All fresh from an off frame resto summer of 02, but is it ever really finished?
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Unread 02-11-2003, 11:51 PM   #8
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1985 CJ7 
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Posts: 35
Ok, for those still interested I found
out today what the difference is. The
dimensions of the two radiators are
different. The top to bottom dimension
of the center cap radiator is 15"
where the driver's side cap radiator
is 17". Supposedly the mount is the
same. The only problem with switching
radiators lies in the fact that the
shrouds are different.

blackdog is offline   Reply With Quote
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