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Thread: Electric Fans
          
   
   

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  1. 04-01-2011 07:14 AM #2
    rspears's Avatar
    rspears
    rspears is offline CHR Member/Contributor
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    Quote Originally Posted by Hoss Blazer View Post
    Whats a good cfm rating to keep a big block cool? I was looking at a pair of 15" w/ a cfm of 2250 each or a pair of 16" w/ a cfm of 2350 each.
    CFM ratings are mis-leading and only good for comparison. The instructions from SPAL on selecting a fan are pretty clear - "Choose the largest diameter fan that will fit your car or truck." If you can fit the dual 16's then that is what you want. More important is the full shroud you use, and a fan controller is something to consider, too.
    Last edited by rspears; 04-01-2011 at 07:27 AM.
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