SchneiderFishing Posted November 21, 2009 Share Posted November 21, 2009 I've been thinking about replacing the radiator in my 1990 4.0 Automatic. Anybody with any specific recommendations? Link to comment Share on other sites More sharing options...
maddzz1 Posted November 21, 2009 Share Posted November 21, 2009 I just ordered one yesterday from radiatorbarn.com $130 shipped with metal tanks Link to comment Share on other sites More sharing options...
HOrnbrod Posted November 21, 2009 Share Posted November 21, 2009 Tried the 3-cores, 2-cores, the all aluminum single core worked by far the best to keep my stroker cool along with the Hesco hi-flow pump. It's bolt-in for open and closed systems, and has the bung hole for the Renix temp sensor. Been four years now, still all is well. http://www.alumrad.com/dblpass.html The Jeep Cherokee model #9168 Link to comment Share on other sites More sharing options...
SchneiderFishing Posted April 1, 2010 Author Share Posted April 1, 2010 Would you recommend the open or closed system for my 1990 Renix. Currently the previous owner put in an open system but I've been having problems so I'm thinking about going to a closed system as was the original design. Link to comment Share on other sites More sharing options...
1987Comanche Posted April 1, 2010 Share Posted April 1, 2010 E-bay. I picked up a new rad for $67 and converted my '90 4.0L to an open system. Mine leaked at the rad and the old pressure bottle so the conversion was a no brainer for me. No change in temp,operation, or anything else except lack of leakage :) Link to comment Share on other sites More sharing options...
comanche09 Posted April 1, 2010 Share Posted April 1, 2010 E-bay. I picked up a new rad for $67 and converted my '90 4.0L to an open system. Mine leaked at the rad and the old pressure bottle so the conversion was a no brainer for me. No change in temp,operation, or anything else except lack of leakage :) x2 Mine runs cooler now and only gets to just below the halfway mark on the gauge max however, EVERYTHING in the system, except for the water pump was circa 1988. I replaced all the hoses, and eliminated the heater control valve. Plumbed the heater core direct (only two hoses now there), and capped the vacuum line. Link to comment Share on other sites More sharing options...
LEAD_NOT_FOLLOW Posted April 2, 2010 Share Posted April 2, 2010 I run CSF 3-cores in all our jeeps and have been very happy with them. Link to comment Share on other sites More sharing options...
jpnjim Posted April 2, 2010 Share Posted April 2, 2010 Tried the 3-cores, 2-cores, the all aluminum single core worked by far the best to keep my stroker cool along with the Hesco hi-flow pump. It's bolt-in for open and closed systems, and has the bung hole for the Renix temp sensor. Been four years now, still all is well. http://www.alumrad.com/dblpass.html The Jeep Cherokee model #9168 Lack of price on that page scares me. :D (& I bet you thought about polishing it to a chrome like finish before installing it. :yes: ) Link to comment Share on other sites More sharing options...
HOrnbrod Posted April 2, 2010 Share Posted April 2, 2010 Lack of price on that page scares me. :D AFAIR, it was about $130 shipped. (& I bet you thought about polishing it to a chrome like finish before installing it. :yes: ) Didn't just think about it, I DID it! :D Only you can't see how shiny it is because it's covered by the support bracket. But I know it's there. 8) Link to comment Share on other sites More sharing options...
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