Re: 3 blades verses 6
I am running a 3-blade fan with shroud in my 52 pickup, 4-row radiator, +.060 EAB. No overheating whatsoever in 100 degree weather, slow traffic or highway speed.
My biggest concern with fans is that they are all very old, and throwing a blade is getting more and more likely.
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'52 F-1, EAB flathead
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