B bdrut57 FABO Gold Member FABO Gold Member Joined Jul 4, 2010 Messages 107 Reaction score 23 Location galesburg il Jul 23, 2010 #1 what is the air flow rating for them? holley carbs
Kris Roy Chicks dig my member Joined Apr 29, 2010 Messages 72 Reaction score 0 Location Red Deer AB. Canada Jul 23, 2010 #2 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).