Engine

The Sequence X Test utilizes a 2012 Ford 2.0 liter, spark ignition, four stroke, 4-cylinder gasoline turbocharged direct injection (GTDI) engine. Features of this engine include variable camshaft timing, dual overhead camshafts driven by a timing chain, four valves per cylinder and electronic direct fuel injection.

Test Operation

The Sequence X Test evaluates undesirable timing chain wear in gasoline, turbocharged, direct-injection (GTGI) engines. The test has demonstrated a correlation to observed timing chain wear in the field and provides a means for evaluating the performance of fully formulated engine lubricating oils. The laboratory engine test consists of two stages and runs for a total of 216 hours. The increase in timing chain length determined at the end of test is the primary result.

Oil Specifications:

Sequence X
ILSAC GF-6 Proposed Limits: TBD

Manufacturer:

Ford Motor Company, Ford 2012 in-line four cylinder engine with a displacement of 2.0 L, a compression ratio of 9.3:1

ParameterUnitsStage 1Stage 2
Durationmin12060
Engine Speed r/min1550 ± 5 2500 ± 5
Torque N·M 50 ± 2 128 ± 2
Oil Gallery Temperature °C50 ± 0.5 100 ± 0.5
Coolant Out Temperature °C45 ± 0.5 85 ± 0.5
Coolant Flow L/min 40 ± 2 70 ± 2
Inlet Air Pressure kPa 0.05 ± 0.02
Coolant Pressure kPa 70 ± 2
Inlet Air Temperature°C32 ± 0.5
Exhaust Back Pressure kPa 104 ± 2 107 ± 2
Air Charge Temperature°C30 ± 0.5
AFR Lambda 0.78 ± 0.05 1 ± 0.05
Blowby Outlet Temperature°C23 ± 2 78 ± 2
Humidity g/kg 11.4 ± 1.0
BlowbyL/min 65 - 75

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