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Author	Topic: Flex-a-lite clutch fan?
stang106 Gearhead Posts: 786 From: God's Country!... Port Alberni B.C. Canada Registered: Jul 2001	posted 04-05-2002 12:50 AM I see they make a fan clutch that locks up at low RPM and disenges to 60% at higher RPM. Since I only have a stamped steel fan now, would one of those plus a stock-style flex fan be a good choice or a waste of money? I was thinking of removing the fan at the strip but maybe with this setup I won't have to. My application must look close to stock. Thanks, Dave IP: Logged
steve'66 Gearhead Posts: 9533 From: Sonoma,CA,USA Registered: Mar 2000	posted 04-05-2002 10:01 PM The clutch fan is a good deal. It'll save you a few h.p. and look fairly stock. SteveW IP: Logged
Mpcoluv Gearhead Posts: 1341 From: Charlotte NC usa Registered: Apr 2001	posted 04-06-2002 09:21 AM quote: Originally posted by steve'66: The clutch fan is a good deal. It'll save you a few h.p. and look fairly stock. SteveW Who sell this clutsh? How much is it? IP: Logged
stang106 Gearhead Posts: 786 From: God's Country!... Port Alberni B.C. Canada Registered: Jul 2001	posted 04-07-2002 11:36 AM I saw the Flex-a-lite fans and clutches in the last Summit catalog. They have a huge selection of fans and clutches. Flex-a-lite also has a web site. Dave IP: Logged
mustangboy Gearhead Posts: 1147 From: Ont, Canada Registered: Mar 2002	posted 04-07-2002 07:42 PM I have an old HOT ROD article where they compare fans on an engine on a dyno.It just so happens all the non stock fans they tested were flex-a lite.To make a long story short the clutch fans outperformed all the stock type fixed blade fans and the thermostatically controlled clutch fan part #5237 outperformed the type that freewheels at a set rpm.This one just freewheels below 180 degrees so it didn't cost any power as long as the temp doesn't go above 180.The other type clutch fan that you are talking about cost about 4 hp up to the point of where it disengages.As long as your engine is below 180 before you blast down the strip this fan costs you no hp. IP: Logged
mustangboy Gearhead Posts: 1147 From: Ont, Canada Registered: Mar 2002	posted 04-07-2002 07:43 PM I have an old HOT ROD article where they compare fans on an engine on a dyno.It just so happens all the non stock fans they tested were flex-a lite.To make a long story short the clutch fans outperformed all the stock type fixed blade fans and the thermostatically controlled clutch fan part #5237 outperformed the type that freewheels at a set rpm.This one just freewheels below 180 degrees so it didn't cost any power as long as the temp doesn't go above 180.The other type clutch fan that you are talking about cost about 4 hp up to the point of where it disengages.As long as your engine is below 180 before you blast down the strip this fan costs you no hp. IP: Logged

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