September 2016 Service and Repair ManualSpecificationsPart No. 1272222 GS-84 • GS-90 7Ford M SG- 425 EFI Engine Specific ati onsFord MSG-425 EFI EngineDisplacement 153 cu in2.5 litersNumber of cylinders 4Bore and Stroke 3.5 x 3.9 inches89 x 100 mmHorsepower 60 @ 2500 rpm44 kW @ 2500 rpmFiring order 1 - 3 - 4 - 2Low function idle(computer controlled)1600 rpm53.3 HzHigh function idle (computercontrolled)2500 rpm83.3 HzCompression ratio 9.7:1Compression pressure (approx.)Pressure (psi or bar) of lowest cylinder must be at least75% of highest cylinderLubrication systemOil pressure (operatingtemperature @ 2500 rpm)29 to 39 psi2 to 2.7 barOil capacity(including filter)6.7 quarts6.4 litersOil Pressure switchOil pressure switch point 7 to 9 psi0.48 to 0.62 barOil viscosity requirementsExtreme operating temperatures may require the use ofalternative engine oils. For oil requirements, refer to theEngine Operator Handbook on your machine.Electronic fuel pumpFuel pressure, static 60 psi4.1 barFuel flow rate 0.43 gpm1.6 L/minFuel requirementFor fuel requirements, refer to the engine OperatorManual for your engine.Ignition systemSpark plug type Motorcraft AYFS-32Y-RSpark plug gap 0.049 to 0.053 inches1.25 to 1.35 mmEngine coolantCapacity 10 quarts9.5 litersCylinder head temperature sending unitFault code set temperature 280°F138°CEngine shut-down temperature 300°F149°CStarter motorNormal engine cranking speed 200 to 250 rpmCurrent draw, no load 140-200ACurrent draw, maximum load 800AAlternatorAlternator output 95A, 13.8V DCBatteryType 12V DC, Group 31Quantity 1Cold cranking ampere @ 0°F 1000AReserve capacity @ 25A rate 200 minutes
