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Old 02-13-2008, 01:51 PM
CRASH7772 CRASH7772 is offline
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Join Date: Mar 2007
Vehicle: 1999 FORD F150
Posts: 97
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QUESTION FOR ALL

How often do your fans runs and under what conditions? I was reading this and makes me wonder if your not in high heat city conditions or don't tow a lot that these dual fans are way overkill. "An electric radiator fan can offer better cooling and more HP due to the removal of the parasitic drag of the stock crank-driven fan. I chose the Flex-a-Lite unit to the right (part # 270). This $400 unit is specifically designed for the F150. It has a variable-speed fan control (60-100%) and pumps out a maximum of 5500 CFM (much more than the 3,500-3,700 provided by the Ford-based kits). Additionally, by having two fans, as opposed to the single fan in the Ford-based kits, the truck can still run in very hot weather if one of the fans goes out. Not a really big deal, as the fans only come on in stop-and-go traffic on hot days." I'm running a 2800cfm on my modded 5.0 and the fans hardly ever come on and when it does the shut off within 5 minutes and I'm running underdrive pulleys on it as well. I have seen some single 16" fans Model 180 rated @3300cfm and some smaller dual fans Model 295 rated @ 4600cfm. Just looking for some feedback as I think Flex-a-lite has the best designed fans (as far as not damaging the radiator) but I don't feel like dishing out over $500 for a model 270 which seem to be overkill anyways for myself.
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