Radiator Fan CFM Test Results

Researching fan performance? These test results pair directly with our bolt-on aluminum shrouds — engineered to maximize the airflow numbers you see below.

Shop Cold Case Shrouds Browse All Shrouds

Below are my test results for all fans that I tested on my YouTube channel. The latest video is posted on the far right side of the chart, per fan model. If you have any test questions, please review that video first. Then leave those questions in the comment section of that video. That way, more followers will benefit from the Q&A. Thanks!

Most Fans tested here fit these shrouds
Find Your Shroud
Each shroud is precision-fit to your radiator and optimized for the fan CFM ratings in the chart below.

GM A-Body Shroud — Cold Case GMA42

1968–1977 GM A-Body. Fits 14" fans. Available Powder Coated or Raw Aluminum.

View Shroud →

GM F-Body Shroud — Cold Case CHC11 / CHC547

1967–1969 GM F-Body. Fits 12" or 14" fans. Available Powder Coated or Raw Aluminum.

View Shroud →

Ready to put those CFM numbers to work? Pair your fan with a Fast Monty's bolt-on shroud and maximize cooling efficiency.

Shop Cold Case Shrouds GMA42 A-Body Shroud CHC11/CHC547 F-Body Shroud
View all