How can I tell if I have the "Heavy Duty Cooling" option? I have a 3 row brass radiator, no fan shroud, a four blade fixed fan with no clutch. No heat, No air. I'm having some problems with running hot while idling and crawling around the woods in first. I've been told to put a fan shroud on but there are two different sizes and I keep getting asked if I have HD cooling or not. This is a '77 CJ5 with 258, Carter BBD, aluminum intake from later model?? Headman headers, maybe a few other mods from PO that I'm not aware of. Thanks
RedHot77cj
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1,053 Posts
Mine came originally with 2 core radiator with centered cap, fan clutch and coolant recovery. I'm not sure if my shroud is still around or not. Need to check the shed out back. I know that I want to put it back to stock and remove the flexfan that I put on it some time back trying to fix an overheat issue that turned out to be the motor going south. So there are HD cooling with side cap and center cap?
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