Good guy alert! Radiator review.

72bluNblu said

I know the dual electric fans on my car are rated at 3,000 cfm on the low speed and over 5,000 cfm on the high speed.

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At what static pressure? Cfm means nothing without knowing the static pressure. Most advertised CFM for electric fans is 0 static pressure, and the CFM can vary greatly between similar "0" static rated fans once static pressure is brought into the equasion.