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ROBERT11
02-21-2004, 09:01 AM
I am looking to install an electric fan in my truck, how much CFM should I look for? The truck has a 350 and puts out about 315 HP.

mrtazwrench
02-21-2004, 05:45 PM
IT SEEMS I'VE SEEN RECOMENDATIONS FOR THIS, NOW WHERE WAS IT? CHECK WITH FAN MANUFACTURERS, OR IT SEEMS THIS INFO MIGHT HAVE BEEN IN SUMMIT OR JEGS CATALOG.

ROBERT11
02-22-2004, 07:42 AM
Here is some info I got from Perma-cool


How much airflow (cfm) do I need to cool my engine?

A four cylinder engine requires 1600 cfm; a six cylinder engine requires 2,000 cfm, a small V-8 engine requires 3,000 cfm and large V-8 engines require 4500+ cfm

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