F 250 2WD Pickup V8-7.3L DSL (1990)
Fuel Pressure: Specifications
Firing Order.....................................................................................................................................................................................................1-2-7-3-4-5-6-8
Idle Speed (No Load).................................................................................................................................................................................650 rpm +/- 50 rpm
Governor Speed (No Load).............................................................................................................................................................................3660 +/- 50 rpm
Governor Speed (Full Load Rated)............................................................................................................................................................................3300 rpm
Timing (Dynamic)..............................................................................................................................................................................8.5 +/- 2 Degrees BTDC
Injection Nozzle
Opening Pressure (New).......................................................................................................................................12,928 +/- 517 kPa (1875 +/- 75 psi)
Opening Pressure (Minimum).........................................................................................................................................................9825 kPa (1425 psi)
Crankcase Pressure-No Load (Maximum)............................................................................................................................20 kPa (6 in. H2O) @ 3300 rpm
Fuel Pressure (Filter Inlet).......................................................................................................................................................................14 kPa (2 psi) @ idle
Fuel Pressure (Filter Outlet).............................................................................................................................................................7 kPa (1 psi) @ 3300 rpm
Fuel Pump Suction................................................................................................................................................................20 kPa (6 in. H2O) @ 3300 rpm
Fuel Return Line Pressure................................................................................................................................................................14 kPa (2 psi) @ 300 rpm
Air Filter Restriction.........................................................................................................................................................107 kPa (25 in. H2O) @ 3300 rpm
TORQUE VALUES
Caps from Fuel Lines to Nozzles...............................................................................................................................................................22 ft. lbs. (30 N-m)
Fuel Filter Adapter to Bracket.........................................................................................................................................................24-39 ft. lbs. (33-52 N-m)
Fuel Filter Bracket to Cylinder Bracket...........................................................................................................................................24-39 ft. lbs. (33-52 N-m)
Fuel Filter to Injection Pump......................................................................................................................................................................10 ft. lbs. (13 N-m)
Injection Pump Elbows..............................................................................................................................................................................10 ft. lbs. (13 N-m)
Injection Pump Adapter..................................................................................................................................................................................6 ft. lbs. (8 N-m)
Nozzle Assembly........................................................................................................................................................................................35 ft. lbs. (47 N-m)
Nozzle Connection Nut (Injection Pipe)....................................................................................................................................................35 ft. lbs. (47 N-m)
Retaining screw of the screw clamp....................................................................................................................................................................1.3-2.1 ft. lbs.
Strap ends to the T-bolts..........................................................................................................................................................1.65-1.85 inch lbs. (42-46 mm)
