Fuel Delivery and Air Induction: Specifications

FUEL PUMP PRESSURE
Maximum 64 - 85 psi (441 - 589 kPa)
Hold over 50 psi (343 kPa) after 5 min.

FUEL SYSTEM PRESSURE (REGULATED)
With 18 - 21 inHg Vacuum To Regulator 31 - 38 psi (216 - 265 kPa)
With No Vacuum To Regulator 38 - 46 psi (265 - 314 kPa)

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

AIR VALVE
"Open" range below 104°F (40°C)