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Hyundai Gamma engine

The Hyundai Gamma engine was introduced in 2006 to replace the existing Hyundai Alpha engine.[1] There are 1.4 L and 1.6 L versions of this engine.

γ-engine
      Gamma engine
Overview
ManufacturerHyundai Motor Company
Production2006–present
Layout
ConfigurationStraight-4
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)
Cylinder block materialAluminium
Cylinder 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
RPM range
Idle speed660~750 rpm
Combustion
TurbochargerTwin-scroll with intercooler (1.6 T-GDI)
Fuel systemGasoline direct injection
Multi-point fuel injection
Fuel typeUnleaded gasoline
Oil systemPressure feed
Cooling systemWater-cooled
Output
Power output100–204 PS (74–150 kW; 99–201 hp)
Torque output13.8–27 kg⋅m (135–265 N⋅m; 100–195 lbf⋅ft)
Dimensions
Length483 mm (19.0 in) (MPi)
603.1 mm (23.74 in) (GDi/T-GDi/FFV)
Width613 mm (24.1 in) (MPi)
695 mm (27.4 in) (GDi/FFV)
754.5 mm (29.70 in) (T-GDi)
Height621 mm (24.4 in) (MPi)
638 mm (25.1 in) (GDi/FFV)
641.5 mm (25.26 in) (T-GDi)
Dry weight101.7–102.1 kg (224–225 lb) (MPi)
106.1 kg (234 lb) (GDi)
130.4 kg (287 lb) (T-GDi)
100.5 kg (222 lb) (FFV)
Chronology
PredecessorAlpha
SuccessorSmartstream G1.6/G1.6T

The Gamma II can apparently run in Atkinson cycle (leaving intake open longer for more complete burn but less displacement) under low loads for additional fuel economy with the ability to shift to Otto cycle on demand under high loads or for extra acceleration.[citation needed]

Gamma I

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1.4 MPi (G4FA)

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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 111 PS (82 kW; 109 hp) at 6,300 rpm and 14 kg⋅m (137 N⋅m; 101 lbf⋅ft) of torque at 4,200 rpm. Power is dropped to 100 PS (74 kW; 99 hp) at 5,500 rpm and 13.9 kg⋅m (136 N⋅m; 101 lbf⋅ft) of torque at 4,200 rpm in the Hyundai i20. The engine features double overhead cams with 4 valves per cylinder and a chain driven camshaft with continuously variable valve timing system CVVT on intake camshaft only. It is replaced by the 1.4 L Kappa (G4LC) engine.

Applications

1.6 MPi (G4FC)

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The Gamma 1.6 MPI version features the same 77mm bore as the 1.4 (G4FA) but an increased 85.4mm stroke and makes 124 PS (91 kW; 122 hp) at 6,000 rpm and 15.9 kg⋅m (156 N⋅m; 115 lbf⋅ft) of torque at 4,200 rpm. In 2010, the G4FC was replaced by the G4FG engine.[2]

Applications

1.6 FLEX (F4FA/F4FC)

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Flex fuel version of the Gamma 1.6 MPi. Bore and stroke are 77mmx85.4mm and the engine makes 130 PS (96 kW; 130 hp) at 6,000 rpm and 16.5 kg⋅m (162 N⋅m; 119 lbf⋅ft) of torque at 5,000 rpm.

Applications

1.6 LPI (L4FA/L4FC)

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

Applications

Gamma II

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1.6 MPi (G4FG)

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2021 Hyundai Elantra 1.6 MPi engine

Released in 2010, the Gamma II MPI version with dual CVVT (continuous variable valve timing) is a 1,591 cc (97.1 cu in) engine that makes 123–134 PS (90–99 kW; 121–132 hp) at 6,000–6,300 rpm with 15.4–16 kg⋅m (151–157 N⋅m; 111–116 lbf⋅ft) of torque at 4,500–4,850 rpm.[2]

Applications

1.6 FLEX (F4FG)

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Flex fuel version of the Gamma II 1.6 MPi. Bore and stroke are 77mmx85.4mm for a total displacement of 1,591 cc (97.1 cu in). The engine makes 130 PS (96 kW; 128 hp) at 6,300 rpm and 16.5 kg⋅m (162 N⋅m; 119 lbf⋅ft) of torque at 5,000 rpm.

Applications

1.6 GDi (G4FD)

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The 1.6 Gamma GDi engine is a gasoline direct injection engine, with Dual-Continuous Variable Valve Timing (D-CVVT).[6] Power output to 140 PS (103 kW; 138 hp) at 6,300 rpm and 17 kg⋅m (167 N⋅m; 123 lbf⋅ft) at 4,850 rpm.[7]

Applications

1.6 T-GDI (G4FJ)

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2021 Hyundai Kona 1.6 T-GDi engine
 
Exhaust and twin-scroll turbocharger of the T-GDI version

Announced in 2011,[8] it is a version of 1.6 Gamma GDi with twin-scroll turbocharger, air guided intercooler, direct fuel injection system and dual CVVT. It produces 204 PS (150 kW; 201 hp) at 6,000 rpm with 27 kg⋅m (265 N⋅m; 195 lbf⋅ft) of torque at 1,500–4,500 rpm. A detuned version is available with 177 PS (130 kW; 175 hp) at 5,500 rpm.

The engine was unveiled in the 11th Hyundai-Kia International Powertrain Conference.[9]

The engine has been revised in the 2nd Generation Veloster Turbo to include a new pressurized cooling system, higher compression ratio of 10:1, electronically actuated wastegate, and a new ECU (CPEGD2.20.3).

Its improved version equipped with Continuously Variable Valve Duration (CVVD) was released in 2019 as the Smartstream G1.6T (G4FP) engine.

Applications
Motorsports

Engines

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Petrol engines
Model Eng. code Power Torque Comp. Weight
1.4 Gamma MPi G4FA 111 PS (82 kW; 109 hp)
at 6300 rpm 		14 kg⋅m (137 N⋅m; 101 lbf⋅ft)
at 5000 rpm 		10.5:1 68 kg (150 lb)
1.6 Gamma GDi G4FD 140 PS (103 kW; 138 hp)
at 6300 rpm 		17 kg⋅m (167 N⋅m; 123 lbf⋅ft)
at 4850 rpm 		11.0:1 68 kg (150 lb)
1.6 Gamma MPi G4FC 130 PS (96 kW; 128 hp)
at 6000 rpm 		16 kg⋅m (157 N⋅m; 116 lbf⋅ft)
at 4850 rpm 		10.5:1 68 kg (150 lb)
1.6 Gamma MPi G4FG 132 PS (97 kW; 130 hp)
at 6300 rpm 		16 kg⋅m (157 N⋅m; 116 lbf⋅ft)
at 4850 rpm 		10.5:1 68 kg (150 lb)
1.6 Gamma T-GDI G4FJ 177 PS (130 kW; 175 hp)
at 5500 rpm 		27 kg⋅m (265 N⋅m; 195 lbf⋅ft)
at 1500-4500 rpm 		9.5:1 70.5 kg (155 lb)
1.6 Gamma T-GDI G4FJ 204 PS (150 kW; 201 hp)
at 6000 rpm 		27 kg⋅m (265 N⋅m; 195 lbf⋅ft)
at 1750-4500 rpm 		9.5:1 70.5 kg (155 lb)
1.6 Gamma T-GDI G4FJ 204 PS (150 kW; 201 hp)
at 6000 rpm 		27 kg⋅m (265 N⋅m; 195 lbf⋅ft)
at 1500-4500 rpm 		10.0:1 70.5 kg (155 lb)
Liquefied Petroleum Gas engines
Model Eng. code Displ. Bore × Stroke Power Torque Comp.
1.6 Gamma LPI L4FA 1.6 L
(1,591 cc) 		77 mm × 85.4 mm
(3.03 in × 3.36 in) 		105 PS (77 kW; 104 hp) at 5700 rpm 15.1 kg⋅m (148 N⋅m; 109 lbf⋅ft) at 4000 rpm 13.0:1
electric motor — 44 PS (32 kW; 43 hp) at 1850-2500 rpm 17.3 kg⋅m (170 N⋅m; 125 lbf⋅ft) at 0-1800 rpm —
combined — 138 PS (101 kW; 136 hp) at 5700 rpm 27 kg⋅m (265 N⋅m; 195 lbf⋅ft) at 4000 rpm 13.0:1

See also

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Wikimedia Commons has media related to Hyundai Gamma engine.

References

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  1. ^ Hyundai Kia Gamma G4F Petrol engine
  2. ^ a b "Hyundai KIA 1.6L Engine (Gamma MPI/GDI/T-GDI) Review". Motor Reviewer.
  3. ^ Kia Motors introduces Eco Dynamics Brand and LPI Hybrid for Korean market
  4. ^ "Новый KIA Ceed 2021". www.kia.ru. Retrieved 2021-09-17.
  5. ^ "Новый KIA Rio 2020 - старт продаж в России". www.kia.ru. Retrieved 2020-12-09.
  6. ^ "2012 Hyundai Accent" (PDF). Archived from the original (PDF) on 2016-03-03. Retrieved 2011-07-10.
  7. ^ "2022 Hyundai ACCENT | Specs".
  8. ^ "Hyundai Motor Group showcases new Gamma 1.6 T-GDI and Euro6 R-2.0 diesel engines". Green Car Congress. Retrieved 2020-12-11.
  9. ^ Hyundai Motor Group Unveils Advanced Powertrains at the '2011 Hyundai-Kia International Powertrain Conference'
  10. ^ "2012 Hyundai Accent Gets Most Power, Fuel Economy in its Class [Montreal Auto Show]". 13 January 2011. Retrieved 18 February 2011.
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