DIRECT FUEL INJECTION
Page 3B-2
90-888438 JUNE 2002
Specifications
Fuel System Specifications
Fuel Pressure 90 ± 2 psi (613.5 ± 13.8 kPa)
Air Pressure 80 ± 2 psi (544.0 ± 13.8 kPa)
Fuel/Air Differential 10 psi (68.5 kPa)
High Pressure Electric Fuel Pump Amperage
Draw
6-9 Amps
Low Pressure Electric Fuel Pump Amperage
Draw
1-2 Amps
Low Pressure Electric Fuel Pump Output 6-10 psi (41.37 kPa - 68.95 kPa)
Fuel Injector Ohm Resistance 1.8 ± 0.1Ω
Direct Injector Ohm Resistance 1.3 ± 0.3Ω
Fuel Lift Electric Fuel Pump
Output
1-10 psi (68.5 kPa)
Air Compressor Specifications
Air Compressor Type
Compressor Output
Reciprocating Piston
(1 to 1 ratio with engine RPM)
@ Idle – 80 psi
@ W.O.T. – 110 psi
Cylinder Block Displacement 7.07 cu. in. (116 cc)
Cylinder Bore Diameter (Standard)
Taper/Out-of-Round/Wear Maxi-
mum
Bore Type
2.5591 in. (65.0 mm)
0.001 in. (0.025 mm)
Cast Iron
Stroke Length 1.374 in. (34.9 mm)
Piston Piston Type Aluminum
Piston Diameter
Dimen-
sion “A”
at Right
Angle
(90
°) to
Piston Pin
0.500 in.
2.5578 ± .0004 in.
(64.97 ± 0.010 mm)
Piston Ring End Gap
Top Ring
Middle Ring
Bottom Ring
0.0059 - 0.0098 in.
(0.15 - 0.25 mm)
0.0059 - 0.0098 in.
(0.15 - 0.25 mm)
0.0039 - 0.014 in.
(0.10 - 0.35 mm)
Reeds Reed Stand Open 0.010 in. (0.25 mm)
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