Jul 23, 2010 #1 B bdrut57 FABO Gold Member FABO Gold Member Joined Jul 4, 2010 Messages 107 Reaction score 23 Location galesburg il what is the air flow rating for them? holley carbs
Jul 23, 2010 #2 Kris Roy Chicks dig my member Joined Apr 29, 2010 Messages 72 Reaction score 0 Location Red Deer AB. Canada Outboards are 500 cfm, center is 350 cfm. Measured at 4" Hg pressure drop. As opposed to 4 bbl that are measured at 2" Hg pressure drop. Divide 2 bbl figure by 1.414 (square root of 2) to get 4 bbl equivalent (955 cfm in this case).
Outboards are 500 cfm, center is 350 cfm. Measured at 4" Hg pressure drop. As opposed to 4 bbl that are measured at 2" Hg pressure drop. Divide 2 bbl figure by 1.414 (square root of 2) to get 4 bbl equivalent (955 cfm in this case).