Thats a 72gph free flow pump.
Exact copy of a Carter P4070. Which I run. Never had an issue with a Carter pump, Holley and Quick Fuel I don't trust after experiencing failures.
The Carter design hasn't changed much at all since WWII.
You should be fine running a SBF with that pump.
This article has the formulas if you'd the calc the exact requirements though.
http://blog.cantonracingproducts.com...ines_fuel_flow