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Old 09-22-2015, 07:35 AM   #6
MARKDTN
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Join Date: Jan 2011
Location: Chattanooga, TN
Posts: 2,135
Re: Iso 5-7 blade mechanical fan blade

A 6-blade rigid fan is a HP robber. Look at this dyno test from Car Craft.

http://www.network54.com/Forum/21565...+Fan+Dyno+Test

A clutch fan was closest to electric fan or no fan at all.
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