Specifications

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L510010-04
ENGINE SPECIFICATIONS - 12
MODEL MP 5.0L MP 5.7L MP 8.1L (STD) MP 8.1L (HO) MP 6.0L
(Horsepower) (275 HP) (330 HP) (385 HP) (425 HP) (375 HP)
Displacement 5.0L (305 CID) 5.7L (350 CID) 8.1L (496 CID) 8.1L (496 CID) 6.0L (364 CID)
Bore 3.75 in. (95.0 mm) 4.0 in. (101.6 mm) 4.25 in. (107.95 mm) 4.25 in. (107.95 mm) 4.0007 in. (101.618 mm)
Stroke 3.48 in. (88.3 mm) 3.48 in. (88.3 mm) 4.370 in. (111.0 mm) 4.370 in. (111.0 mm) 3.622 in. (92.0 mm)
Compression Ratio 9.4:1 9.4:1 9.1:1 9.1:1 9.4:1
Compression Pressure 130 - 215 psi 130 - 215 psi 130 - 175 psi 130 - 175 psi 130 - 215 psi
WOT Operating RPM 4600-5000 4800 - 5200 4400 - 4800 4800 - 5200 4800 - 5300
Preferred WOT RPM 4800 5000 4600 5000 5200
Cruising RPM (Max) 3800 4000 3800 4000 4000
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 - 60 psi 25 - 60 psi 25 - 80 psi
2000 RPM (172 - 414 kPa) (172 - 414 kPa) (172 - 414 kPa) (172 - 414 kPa) (172 - 552 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
Spark Plug P/N R030010 R030010 R030009 R030009 R030011
Spark Plug Gap 0.060 in. 0.060 in. 0.060 in. 0.060 in. 0.060 in.
Firing Order 1-8-4-3-6-5-7-2 (LH) 1-8-4-3-6-5-7-2 (LH) 1-8-7-2-6-5-4-3 (LH) 1-8-7-2-6-5-4-3 (LH) 1-8-7-2-6-5-4-3 (LH)
1-2-7-5-6-3-4-8 (RH) 1-2-7-5-6-3-4-8 (RH) NA NA NA
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) NA
FWC 170˚F (76.7˚C) FWC 170˚F (76.7˚C) FWC 170˚F (76.7˚C) FWC 170˚F (76.7˚C) FWC 160˚F (61.7˚C)
Over- Temperature 193° F (89.8° C) 193° F (89.8° C) 220° F (104.8° C) 208° F (98° C) 220° F (104.8° 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 / 100 Amps 70 / 100 Amps 70 / 100 Amps 70 Amps
Ignition Timing Not Adjustable Not Adjustable Not Adjustable Not Adjustable Not Adjustable
CAM Retard 43-47 degrees 43-47 degrees Not Adjustable Not Adjustable Not Adjustable
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
PCM MASTER ENGINE SPECIFICATIONS










