Hyundai Gamma engine

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Hyundai Motor Company logo.svg      Gamma engine
2010 Hyundai i20 (PB) Active 3-door hatchback (2010-10-16) 02.jpg
Overview
ManufacturerHyundai Motor Company
Layout
Displacement
  • 1.4 L (1,396 cc)
  • 1.6 L (1,591 cc)
Cylinder bore77 mm (3.03 in)
Piston stroke75 mm (2.95 in)
85.4 mm (3.36 in)
Block materialAluminium
Head materialAluminium
ValvetrainDOHC 4 valves x cyl. with CVVT
Compression ratio9.5:1, 10.0:1, 10.5:1, 11.0:1, 13.0:1
Combustion
TurbochargerTwin-scroll with intercooler (1.6 T-GDI (G4FJ) only)
Fuel systemGDI or MPI
Fuel typeUnleaded gasoline
Oil systemPressure feed
Cooling systemWater-cooled
Output
Power output99–201 hp (74–150 kW; 100–204 PS)
Torque output13.8–27 kg⋅m (135–265 N⋅m; 100–195 lbf⋅ft)
Chronology
PredecessorAlpha

The Hyundai Gamma engine was introduced in the 2010 Hyundai Accent concept car to replace the existing Hyundai Alpha engine in the Hyundai Accent and Kia Rio. There are 1.4 L (1,396 cc) and 1.6 L (1,591 cc) versions of this engine.

1.4 L[edit]

The G4FA is a 1.4 L (1,396 cc) engine. Bore and stroke is 77 mm × 75 mm (3.03 in × 2.95 in). It has MPI and makes 109 hp (81 kW; 111 PS) at 6,300 rpm and 101 lb⋅ft (137 N⋅m) of torque at 4,200 rpm. Power is dropped to 99 hp (74 kW; 100 PS) at 5,500 rpm and 100 lb⋅ft (136 N⋅m) of torque at 4,200 rpm in the Hyundai i20; the engine is equipped with continuously variable valve timing system CVVT on intake camshaft only.

1.6 L[edit]

Petrol engines
Model Eng. code Power Torque Comp.
1.6 Gamma GDi G4FD 140 PS (103 kW; 138 hp)
@ 6300 rpm
17 kg⋅m (167 N⋅m; 123 lbf⋅ft)
@ 4850 rpm
11.0:1
1.6 Gamma II MPi G4FC 130 PS (96 kW; 128 hp)
@ 6000 rpm
16 kg⋅m (157 N⋅m; 116 lbf⋅ft)
@ 4850 rpm
10.5:1
1.6 Gamma II MPi G4FG 132 PS (97 kW; 130 hp)
@ 6300 rpm
16 kg⋅m (157 N⋅m; 116 lbf⋅ft)
@ 4850 rpm
10.5:1
1.6 Gamma T-GDI G4FJ 177 PS (130 kW; 175 hp)
@ 5500 rpm
27 kg⋅m (265 N⋅m; 195 lbf⋅ft)
@ 1500-4500 rpm
9.5:1
1.6 Gamma T-GDI G4FJ 204 PS (150 kW; 201 hp)
@ 6000 rpm
27 kg⋅m (265 N⋅m; 195 lbf⋅ft)
@ 1750-4500 rpm
9.5:1
1.6 Gamma T-GDI G4FJ 204 PS (150 kW; 201 hp)
@ 6000 rpm
27 kg⋅m (265 N⋅m; 195 lbf⋅ft)
@ 1500-4500 rpm
10.0:1
Liquefied Petroleum Gas engines
Model Eng. code Displ. Bore × Stroke Power Torque Comp.
1.6 Gamma LPI L4FC 1.6 L
(1,591 cc)
77 mm × 85.4 mm
(3.03 in × 3.36 in)
105 PS (77 kW; 104 hp) @ 5700 rpm 15.1 kg⋅m (148 N⋅m; 109 lbf⋅ft) @ 4000 rpm 13.0:1
electric motor N/A 44 PS (32 kW; 43 hp) @ 1850-2500 rpm 17.3 kg⋅m (170 N⋅m; 125 lbf⋅ft) @ 0-1800 rpm N/A
combined N/A 138 PS (101 kW; 136 hp) @ 5700 rpm 27 kg⋅m (265 N⋅m; 195 lbf⋅ft) @ 4000 rpm 13.0:1

1.6 Gamma GDi (G4FD)[edit]

The 1.6 Gamma GDi engine Gasoline direct injection, and Dual-Continuous Variable Valve Timing.[1] Power output to 138 hp (103 kW; 140 PS) at 6300 rpm and 123 lb⋅ft (167 N⋅m) at 4850 rpm.[2]

Applications:

1.6 Gamma MPi (G4FC)[edit]

The Gamma MPI version makes 122 hp (91 kW; 124 PS) at 6,000 rpm and 115 lb⋅ft (156 N⋅m) of torque at 4,200 rpm.

The Gamma II MPI version with dual CVVT (continuous variable valve timing) makes 128 hp (95 kW; 130 PS) at 6,000 rpm with 116 lb⋅ft (157 N⋅m) of torque at 4,850 rpm.

1.6 Gamma MPi (G4FG)[edit]

The Gamma II MPI version with dual CVVT (continuous variable valve timing) makes 132 hp (98 kW; 134 PS) at 6,300 rpm with 116 lb⋅ft (157 N⋅m) of torque at 4,850 rpm.

1.6 Gamma T-GDI (G4FJ)[edit]

Exhaust and twin-scroll turbocharger of the T-GDI version

It is a version of 1.6 Gamma GDi with twin-scroll turbocharger, air guided intercooler, direct fuel injection system and dual CVVT.

The engine was unveiled in the 11th Hyundai-Kia International Powertrain Conference.[3]

The engine has been revised in the 2nd Generation Veloster Turbo to include a new pressurized cooling system, higher compression ratio of 18, electronically actuated wastegate, and a new ECU (CPEGD2.20.3).

1.6 Gamma LPI (L4FC)[edit]

It is a hybrid variant with liquefied petroleum gas engine and electric motor.

It was used in Kia Forte, Hyundai Avante LPI hybrid,[4] Kia Forte LPi, Hyundai Avante LPi (Korea domestic only)

Usage[edit]

See also[edit]

References[edit]

  1. ^ http://image.motortrend.com/f/36576744/2012-Hyundai-Accent-Technical-Specifications.pdf
  2. ^ http://www.hyundaiusa.com/accent/specifications.aspx
  3. ^ Hyundai Motor Group Unveils Advanced Powertrains at the ‘2011 Hyundai-Kia International Powertrain Conference’
  4. ^ Kia Motors introduces Eco Dynamics Brand and LPI Hybrid for Korean market
  5. ^ "Hyundai Creta is the official name for the ix25 compact SUV". India Car News. Retrieved 2017-07-13. Italic or bold markup not allowed in: |publisher= (help)