Pressure, Vacuum and Temperature Specifications

FUEL PUMP PRESSURE
Main pump (unregulated) 64 - 85 psi (441 - 589 kPa)
Transfer pump 3 - 5 psi (20 - 35 kPa)

FUEL PUMP PRESSURE RELIEF VALVE 50 - 71 psi (343 - 491 kPa)

FUEL SYSTEM PRESSURE (REGULATED)
W/18" - 21" Hg Vacuum To Pressure Regulator 27 - 33 psi (186 - 226 kPa)
W/No Vacuum To Pressure Regulator 34 - 40 psi (235 - 275 kPa)

FUEL SYSTEM RESIDUAL PRESSURE 21 psi (147 kPa) min.

BYPASS AIR CONTROL (BAC) VALVE
Air Valve Operating Range Closed Above 140°F (60°C)

BOOST PRESSURE (MAXIMUM) 8.7 psi (60 kPa)