dasbulliwagen Posted June 28, 2020 Share Posted June 28, 2020 I started a downtown cruise last night with a local Jeep group, Zoo City Jeepers, and just a few blocks in I started seeing steam, so I pulled off, and as I pulled off it blew! In the dark last night it looked like just the hose blew off, but after checking this morning, I found it blew the whole bottom tank off the radiator. It was only maybe 5 years old or so, but it was a cheap plastic tank replacement rad with a thicker than stock core. I want to go with an all aluminum one next, it seems prices have really come down on some of those. Mind you, that mine is the square shaped radiator that was used on the 2.8 and 2.5. Were the wide one's ever used on the 2.5, or was the square one the only one used for those. I ask that because I'm wondering about converting to the wide rad. That brings up issues with the core support and finding correct hoses. Let me know what you think so I can make a decision on this soon. Thanks. Link to comment Share on other sites More sharing options...
eaglescout526 Posted June 28, 2020 Share Posted June 28, 2020 Wide ones were never used for 2.5s. As long as yours isn’t an 86 you can move up to the 4.0 radiator. I do happen to have one of those aluminum ones from when I changed my rad back to the factory rad. Link to comment Share on other sites More sharing options...
mnkyboy Posted June 28, 2020 Share Posted June 28, 2020 The late model 2.5l XJs came with the same radiator as the 4.0ls used. On 87 and up it basically drops in, I didn't even need to swap the core support on my 89 because it already had the mounting holes. Link to comment Share on other sites More sharing options...
omega_rugal Posted June 28, 2020 Share Posted June 28, 2020 so the square radiator fits directly into the MJ, good to know Link to comment Share on other sites More sharing options...
dasbulliwagen Posted June 29, 2020 Author Share Posted June 29, 2020 My next issue is will the condenser I currently have work with 4.0 radiator? I'm starting to think it will just be easier to put a square one back in. Considering the condenser, the electric cooling fan and other custom mounts I have on there that may be the best bet. Link to comment Share on other sites More sharing options...
OldSch88L Posted July 15, 2020 Share Posted July 15, 2020 What about the fan shrouds? They seem offset on the 4.0 radiators, am I right? Link to comment Share on other sites More sharing options...
mnkyboy Posted July 16, 2020 Share Posted July 16, 2020 The shrouds are different, you would probably want one for a late model 2.5l XJ to retain the stock fan. I run electric fans so I don't use a factory shroud on mine. Link to comment Share on other sites More sharing options...
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