Where are these "air tubes"? on the side of carb body? or on the metering block? or on the carb baseplate??
72 is fine to start. You will need some jets to work with.
DO NOT START testing AT 14psi blower boost. 14psi is way too much for pump gas ...start at 5psi and work up.
Last edited by F-BIRD'88; 10-17-2012 at 02:57 PM.