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Engine for 4G18CVVT UMC

The 4G18CVVT UMC engine is a continuously variable valve timing mechanism. Variable valve timing technology, by opening the intake valve in advance and closing the exhaust valve later, increases the intake air charge, increases the charge coefficient, and further improves the engine’s torque and power, which can increase the engine’s low-speed torque. , it does not help much to increase torque at high speeds.

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Description

Engine model JL4G18
Exhaust volume (ml)1.792
Maximum power (kW)/speed (r/min)102/6000～6200
Idle speed (r/min) 800 Red line speed (r/min) 6500
Number of valves 16
Engine type: in-line four-cylinder, four-stroke, water-cooled, 16-valve, double overhead camshaft, continuously variable intake phase VVT-i, electronically controlled fuel injection
Maximum torque (Nm)/speed (r/min) 172/4100～4200
Emission standard EU3
Engine net mass (kg): 117
Overall dimensions (length × width × height) (㎜): 631 × 610 × 620
Engine block material: high pressure aluminum alloy ADC12
Bore size*stroke (mm): 79.0×91.4
Average effective pressure (kPa): 1.187Mpa
Power per liter (kW/L): 57
Compression ratio 10:01
Maximum pressure (kPa): 8 MPa
Torque per liter (Nm/L): 96
Effective fuel consumption rate (g/kW·h)≤260
Idle fuel consumption (g/h): 236

The 1.8 is equipped with the first-generation engine independently developed by Geely. The engine model is JLC-4G18. The maximum output power and torque of the 1.8L naturally aspirated engine are 133 horsepower and 170 Nm respectively. The 1.8L naturally aspirated engine uses D-CVVT technology and has an all-aluminum cylinder head design: the cylinder head and cylinder body are made of aluminum, and the fuel supply method is multi-point injection.

 

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