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The Hyundai Sirius engine was the company's first larger inline-four engine, with displacements from 1.8 L (1795 cc) to 2.4 L (2351 cc). It is a license-built Mitsubishi construction. This engine is no longer used by Hyundai.
1.5 Hyundai G4DJ
The 1.5-liter Hyundai G4DJ engine was manufactured from 1989 to 1995 under license from Mitsubishi and was essentially a copy of the 8-valve version of the popular 4G15 powerplant.
The engine's advertised power was 63 kW / 84 hp / 86 PS (DIN) and 124 Nm / 91 lb-ft of torque.
Total Displacement: 1468.45cc (89.61 cu in)
The Hyundai G4DJ engine was equipped on the following vehicles listed below:
1990-1995 Hyundai Elantra (J1 series)
1990-1993 Hyundai Scoupe (SLC)
1989-1993 Hyundai Pony (X2)
1989-1994 Hyundai Excel (X2)
1.6 Hyundai G4CR
The 1.6-liter Hyundai G4CR is an in-line four, dual overhead camshaft (DOHC) engine manufactured from 1990 to 1995 under license, as it was in fact a copy of the Mitsubishi 4G61 engine, and it was put on the first generation of the Lantra model. Unlike other power units of this series, this one never had a balancing shaft.
Total displacement: 1595 cc (97.30 cu in)
Bore: 82.30 mm (3.240 in)
Stroke: 75.00 mm (2.953 in)
Compression Ratio: 9.2
Idle RPM: 750 ± 100
Ignition timing at idling speed: 5° ± 2°/750 rpm
Mitsubishi Orion 4G61 (Hyundai G4CR) Reliability:
Low reliability is in the timing belt, and the consequences of its breakage are deplorable
This motor is prone to vibrations most often due to the destruction of motor bearings
The reason for the floating speed is usually the contamination of the throttle, injectors and PXX
Hydrocompensators here very quickly wear out and start to clink strongly
G4CN is the 1.8L engine based on the Mitsubishi 4G67.
G4JN is a 1.8 L (1795 cc) DOHC engine with a larger 82 mm bore. Output is up to 130 hp (96 kW) at 6000 rpm and 126 foot pounds of torque (170 Nm) at 4200 rpm.
G4CP is Hyundai's name for the 2.0L Mitsubishi 4G63 engine.
The 2.0 L (1997 cc) G4JP is the 2.0L (1975 cc) version. It shares the larger 82mm bore of the 1.8 but is stroked to 93.5 mm. It has a cast iron engine block and aluminum DOHC cylinder heads. It uses MFI fuel injection, has 4 valves per cylinder and features forged steel connecting rods. Output is 136 hp (104 kW) at 6000 rpm and 136 foot pounds of torque (180 N·m) at 4500 rpm.
There are two Variants of 2.4L SIrius called G4CSand G4JS. The G4CS is of an SOHC design, its output is 120 PS (88 kW).
Engine called G4JS's dimensions are different from other Sirius blocks at 86.5 mm (bore) and 100 mm (stroke). Output is 146 PS (107 kW) at 5500 rpm with 157 ft.lbf (199 Nm) of torque at 3000 rpm. It has a cast iron engine block and aluminum DOHC cylinder heads. It uses MPI fuel injection and features forged steel connecting rods.
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