New fan arrived. Thanks to Len for referring me to Superior Injection and Turbo in Detroit to get this fan and tons of sage advice from their sales/tech, Larry Brudzynski. It's an American Cooling Systems 24" - 7 blade pusher fan. (part #ACS828100-24). You can find this fan and all the specs on it on the ACS website. After a thorough discussion on my application with Larry, he advised that this fan would more than meet my needs without a fan clutch - period. Running full time with 7-blades (vs. 9-blades) at 2000 rpm the fan will draw less than 7-hp from the engine and still move 13,000/cfm's of air. As well, at idle and slower speeds the 7-blades will move slightly less volume and should still allow the 12-valve to reach satisfactory operating temps. Can't say enough good things about dealing with Larry. He knows his shit.
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