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no fan is going to cure 'hot on the highway' the air being jammed through the radiator from driving at 65mph will be WAY more air than any fan can pull, electric OR mechanical.

sounds more like a water flow problem somewhere. bottom hose getting sucked shut at all? old radiator that's plugged up?



You're correct about the fan not helping at highway speeds. I believe my problem is the restrictions caused by the shroud. It covers the entire radiator except where the two small fans are at. I thought about just removing the shroud as stated above but am looking at options. Also, the lower hose has a spring and is not collapsing.