2nd Generation Specific (1986-1992) 1986-1992 Discussion including performance modifications and technical support sections.

cfm question

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Old May 25, 2011 | 08:37 PM
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cfm question

So if 1 fan = 1500 cfm does 2 fans = 3000cfm?
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Old May 25, 2011 | 10:58 PM
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As long as 2+2 still equals 4.
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Old May 25, 2011 | 11:15 PM
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not quite, depends on if there is 1500CFM flowing freely in front of each fan. the front air dam opening will affect how much CFM your fans can pull more drastically the more air you try to pull through it.

thinking by putting a 30,000 CFM fan in your engine bay that it will pull 30,000 CFMs through that opening is false.
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Old May 26, 2011 | 10:00 AM
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From: https://www2.mazda.com/en/100th/
Originally Posted by Karack
not quite, depends on if there is 1500CFM flowing freely in front of each fan. the front air dam opening will affect how much CFM your fans can pull more drastically the more air you try to pull through it.

thinking by putting a 30,000 CFM fan in your engine bay that it will pull 30,000 CFMs through that opening is false.
+1. but 1500 should be totally fine and 1500+1500 might = 2900 or something, close enough
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