56
L510010-03
C.C.
ENGINE SPECIFICATIONS - 12
MODEL MP 5.0L MP 5.7L MP 6.0L MP 8.1L (STD) MP 8.1L (HO)
(Horsepower) (275 HP) (330 HP) (
370 HP
) (385 HP) (425 HP)
Displacement 5.0L (305 CID) 5.7L (350 CID) 6.0L (364 CID) 8.1L (496 CID) 8.1L (496 CID)
Bore 3.75 in. (95.0 mm) 4.0 in. (101.6 mm)
4.0007 in. (101.618 mm)
4.25 in. (107.95 mm) 4.25 in. (107.95 mm)
Stroke 3.48 in. (88.3 mm) 3.48 in. (88.3 mm)
3.622 in. (92.0 mm)
4.370 in. (111.0 mm) 4.370 in. (111.0 mm)
Compression Ratio 9.4:1 9.4:1
9.4:1
9.1:1 9.1:1
Compression Pressure 130 - 160 psi 130 - 160 psi 130 - 160 psi 130 - 160 psi 130 - 160 psi
(896 - 1103 kPa) (896 - 1103 kPa) (896 - 1103 kPa) (896 - 1103 kPa) (896 - 1103 kPa)
WOT Operating RPM 4400 - 5000 4800 - 5000
5000-5200 4200 - 4600 4400 - 5000
Cruising RPM (Max) 3600 3800
4100
3600 3800
Idle RPM (In Gear) 650 (Not Adjustable) 650 (Not Adjustable) 650 (Not Adjustable) 650 (Not Adjustable) 650 (Not Adjustable)
Oil Pressure @ 25 - 60 psi 25 - 60 psi 25 - 80 psi 25 - 60 psi 25 - 60 psi
2000 RPM (172 - 414 kPa) (172 - 414 kPa) (172 - 552 kPa) (172 - 414 kPa) (172 - 414 kPa)
Minimum Oil Pressure 10 psi (69 kPa) 10 psi (69 kPa) 10 psi (69 kPa) 10 psi (69 kPa) 10 psi (69 kPa)
at Idle at Idle at Idle at Idle at Idle
Fuel Pressure 55-62 psi 55-62 psi 55-62 psi 34-47 psi 34-47 psi
(379-427 kPa) (379-427 kPa) (379-427 kPa) (234-325 kPa) (234-325 kPa)
Thermostat RWC 160˚F (61.7˚C) RWC 160˚F (61.7˚C) RWC 160˚F (61.7˚C) RWC 160˚F (61.7˚C)
FWC 170˚F (76.7˚C) FWC 170˚F (76.7˚C)
FWC 160˚F (76.7˚C)
FWC 170˚F (76.7˚C) FWC 170˚F (76.7˚C)
Electrical System 12 Volt Negative (-) 12 Volt Negative (-) 12 Volt Negative (-) 12 Volt Negative (-) 12 Volt Negative (-)
Ground Ground Ground Ground Ground
Alternator Rating 70 Amps 70 Amps 70 Amps 70 Amps 70 Amps
Battery Rating 650 CCA (Minimum) 650 CCA (Minimum) 650 CCA (Minimum) 650 CCA (Minimum) 650 CCA (Minimum)
120 Ah 120 Ah 120 Ah 120 Ah 120 Ah
ENGINE SPECIFICATIONS