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Discussion Starter · #1 ·
Which cools better? a clutch type fan as used on an AC car or a rigid mount .I have a flex fan here that will fit my rig and in this hot weather any little extra helps.
 

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The clutch fans move a massive amount of air, much more than a flex fan... BUT the clutch eventually fails at some point in time, and also if the clutch is engaged you can kiss about 15hp goodbye.
 

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Discussion Starter · #6 ·
Thanks , I figure to run one of these it would be a good idea to upgrade my 60 amp alternator to a 100 amp model? With the underdrive pulleys mine puts out OK but any more draw and I think it would overwork it,
 
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