Nitrous Oxide System - NOS Sportsman Fogger Nitrous System Small Block V8 (05088NOS)Sportsman Fogger Nitrous System for V8 Engines Installation Notes: To supply the carburetor and the Sportsman Fogger System in carbureted applications, use a fuel pump designed to operate between 5 and 10 psi with a flow rate of 0. 1 gallons per hour per horsepower at 6 psi. Fuel injected applications will require a fuel pump that flows at least 0. 1 gallons per hour at system pressure. For example at 42 psi flowing, a motor that makes 450 hp while