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Ford 2.5 Engine

Ford 2.5 Engine

FORD MSG-425 EFI 2.5 Liter / 4-Cylinder

EMISSIONS INFORMATION

FEATURES

  • Set-for-life valve train
  • Deep skirted ribbed cylinder block casting for rigidity
  • Aluminum AA319 cylinder block
  • Cast with the Cosworth process
  • Cast-in-place iron cylinder liners
  • Chain driven dual camshafts with automatic tensioning system
  • Structural front cover and oil pan
  • Alternate fuel ready valve train components
  • Individual coil on plug electronic ignition
  • Cast aluminum camshaft cover to ensure warp-free sealing
  • Sintered metal connecting rods
  • Nodular iron crankshaft, featuring:

Five main bearings
Eight counterweights

  • Broadband knock sensor, calibrated for individual cylinder use
  • Gasoline Sequential Port Fuel Injection
  • Closed loop fuel control for all fuels
  • Electronic engine management system:

Built-in engine protection against

Detonation
High coolant temperature
Low oil pressure
Over speed shutdown
Starter lockout

Next generation governing

Discrete speeds
Variable speeds

Drive by wire

SPECIFICATIONS

Engine Type: I-4
Bore and Stroke: 3.5 in. x 3.93 in. (89 mm x 100 mm)
Displacement: 2.5L (152.5 CID)
Compression Ratio: 9.7:1
Oil Capacity: 7 qts. including filter
Net Weight: 351 lbs. with accessories (159 kg)
Dimensions: L 30.3 in. x W 23.3 in. x H 32.6 in. (769 mm x 589 mm x 828 mm)

GASOLINE

(corrected per SAE J1349)

Unleaded 87 or 89 octane
Intermittent Power:
84 [HP] @ 3200 rpm (62 [kW] @ 3200 rpm)
Continuous Power:
75 [HP] @ 3200 rpm (56 [kW] @ 3200 rpm)
Intermittent Torque:
137 [ft-lbs] @ 3200 rpm (185 [N-m] @ 3200 rpm)
Continuous Torque:
123 [ft-lbs] @ 3200 rpm (166 [N-m] @ 3200 rpm)

NATURAL GAS

(corrected per SAE J1349)

Fuel Specification: 1050 BTU/FT3
Intermittent Power:
76 [HP] @ 3200 rpm (56 [kW] @ 3200 rpm)
Continuous Power:
68 [HP] @ 3200 rpm (50 [kW] @ 3200 rpm)
Intermittent Torque:
125 [ft-lbs] @ 3200 rpm (169 [N-m] @ 3200 rpm)
Continuous Torque:
113 [ft-lbs] @ 3200 rpm (153 [N-m] @ 3200 rpm)

LIQUEFIED PETROLEUM GAS

(corrected per SAE J1349)

Fuel Specification: HD-5
Intermittent Power:
80 [HP] @ 3200 rpm (59 [kW] @ 3200 rpm)
Continuous Power:
72 [HP] @ 3200 rpm (53 [kW] @ 3200 rpm)
Continuous Torque:
118 [ft-lbs] @ 3200 rpm (160 [N-m] @ 3200 rpm)
Intermittent Torque:
131 [ft-lbs] @ 3200 rpm (177 [N-m] @ 3200 rpm)