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I'm changing my belts and I would like to add a flex lite fan. Are they any good? Is there if any horsepower gain? I heard that if your engine is not trying to spin the stock fan, then you may see some gain.
I've had flex-a-lite on my 66 mustang for about 3 years now, works great.... but I don't know how much better or worse they are over e-fans for the ranger.