Just divide by 60 or multiply by 60, depending on your "reference" units, Mike.

I don't think I gave a specific rate (vol/min etc) - just a pressure in PSI at the carburetor (from the Spec Man - at 1800 RPM, I think)

http://chevy.oldcarmanualproject.com/chevyresto/58t110.htm

What would be the rate in GPS (or, in GPM)?