GM High Feature V6 | |
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Overview | |
Manufacturer | General Motors |
Also called | Alloytec V6 |
Production | 2004–present |
Layout | |
Configuration | 60° V6 |
Displacement |
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Cylinder bore |
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Piston stroke |
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Cylinder block material | Aluminum |
Cylinder head material | Aluminum |
Valvetrain | DOHC 4 valves × cyl. with VVT |
Compression ratio | 9.5:1, 10.0:1, 10.2:1, 10.3:1, 11.3:1, 11.5:1, 11.7:1, 12.2:1 |
RPM range | |
Max. engine speed | 6500–7200 |
Combustion | |
Turbocharger | Twin-turbo (in some models) Single-turbo (in the 2.8L LP9 and LAU) |
Fuel system | Sequential multi-port fuel injection Direct injection |
Fuel type | Gasoline, E85, LPG |
Oil system | Wet sump |
Cooling system | Water-cooled |
Output | |
Power output | 201–464 hp (150–346 kW; 204–470 PS) |
Torque output | 182–445 lb⋅ft (247–603 N⋅m) |
Emissions | |
Emissions target standard | Euro 6 |
Chronology | |
Predecessor |
The GM High Feature engine (also known as the HFV6, and including the 3600 LY7 and derivative LP1) is a family of modern DOHC V6 engines produced by General Motors. The series was introduced in 2004 with the Cadillac CTS and the Holden Commodore (VZ).
It is a 60° 24-valve design with aluminum block and heads and sequential multi-port fuel injection. Most versions feature continuously variable cam phasing on both intake and exhaust valves and electronic throttle control. Other features include piston oil-jet capability, forged and fillet rolled crankshaft, sinter forged connecting rods, a variable-length intake manifold, twin knock control sensors and coil-on-plug ignition. It was developed by the same international team responsible for the Ecotec, including the Opel engineers responsible for the 54° V6, with involvement with design and development engineering from Ricardo plc.[ citation needed ]
GM's Australian auto division Holden produced a HFV6 engine under the name "Alloytec."
The HFV6 was designed, tested, and produced in a joint program by Holden and Cadillac.[ citation needed ] A majority of designs into the new alloy construction, transmission pairing, and first use in production were all undertaken in Detroit (and manufactured in St. Catharines, Ontario). Holden was charged with developing smaller engines (Holden 3.2 LP1 and Saab 2.8 Turbo LP9) as well as their own Holden 3.6 and 3.0 HFV6 (called the Alloytec V6) for local models.
Cadillac and Holden both tested variations of these engines in the United States and Australia.
A 2.8 L (2,792 cc)LP1 variant was introduced in the 2005 Cadillac CTS. It was also used on the Chinese 2008 CTS. It has a 89 mm × 74.8 mm (3.50 in × 2.94 in) bore and stroke, sequential multi-port fuel injection and a 10.0:1 compression ratio. The LP1 was built in St. Catharines, Ontario.
Applications:
Year(s) | Model | Power | Torque |
---|---|---|---|
2007–2009 | Buick Park Avenue (China) | 201 hp (150 kW; 204 PS) @ 6500 rpm | 195 lb⋅ft (264 N⋅m) @ 2600 rpm |
2005–2007 | Cadillac CTS | 210 hp (157 kW; 213 PS) @ 6500 rpm | 194 lb⋅ft (263 N⋅m) @ 3300 rpm |
2008-2010 | Cadillac CTS | 210 hp (157 kW; 213 PS) @ 6800 rpm | 182 lb⋅ft (247 N⋅m) @ 3600 rpm |
2007–2009 | Cadillac SLS (China) | 209 hp (156 kW; 212 PS) @ 6500 rpm | 194 lb⋅ft (263 N⋅m) @ 3300 rpm |
This engine is also known as a A28NET, Z28NET, Z28NEL or B284.
The LP9 is a 2.8L turbocharged version used for the Saab 9-3, Saab 9-5, and other GM vehicles. It has the same bore and stroke as the naturally aspirated LP1, however the compression ratio is reduced to 9.5:1. The engine is manufactured at Holden's Fishermans Bend engine factory in Port Melbourne, Australia, while GM Powertrain Sweden (formerly Saab Automobile Powertrain) is responsible for turbocharging the engine. Global versions of this engine use the same horsepower rating for both metric and imperial markets – mechanical horsepower – while the Europe-only versions are rated in metric horsepower.
Applications:
Year(s) | Model | Power | Torque |
---|---|---|---|
2005–2008 | Opel/Vauxhall Vectra | 227 hp (169 kW; 230 PS) @ 5500 rpm | 330 N⋅m (243 lb⋅ft) @ 1900-4500 rpm |
2005–2008 | Opel/Vauxhall Signum | 227 hp (169 kW; 230 PS) @ 5500 rpm | 330 N⋅m (243 lb⋅ft) @ 1900-4500 rpm |
2006–2008 | 247 hp (184 kW; 250 PS) @ 5500 rpm | 350 N⋅m (258 lb⋅ft) @ 1900-4500 rpm | |
2005 | Opel/Vauxhall Vectra OPC/VXR | 247 hp (184 kW; 250 PS) @ 5500 rpm | 350 N⋅m (258 lb⋅ft) @ 1900-4500 rpm |
2006–2008 | 276 hp (206 kW; 280 PS) @ 5500 rpm | 350 N⋅m (258 lb⋅ft) @ 1900-4500 rpm | |
2006–2009 | Cadillac BLS | 247 hp (184 kW; 250 PS) @ 5500 rpm | 350 N⋅m (258 lb⋅ft) @ 1900-4500 rpm |
2006–2008 | Saab 9-3 Aero | 247 hp (184 kW; 250 PS) @ 5500 rpm | 350 N⋅m (258 lb⋅ft) @ 1900-4500 rpm |
2009 | 276 hp (206 kW; 280 PS) @ 5500 rpm | 400 N⋅m (295 lb⋅ft) @ 1900-4500 rpm | |
2008 | Saab 9-3 Turbo X | 276 hp (206 kW; 280 PS) @ 5500 rpm | 400 N⋅m (295 lb⋅ft) @ 1900-4500 rpm |
2008 | Saab 9-3 Aero Convertible | 252 hp (188 kW; 255 PS) @ 5500 rpm | 350 N⋅m (258 lb⋅ft) @ 1900-4500 rpm |
2009 | 276 hp (206 kW; 280 PS) @ 5500 rpm | 370 N⋅m (273 lb⋅ft) @ 1900-4500 rpm |
The LAU is GM's new code for the LP9 Turbo engine, its usage starting with the 2010 Cadillac SRX. [1] In 2011, production of the Cadillac SRX with the LAU engine ceased, but the engine remained in use in the Saab 9-4X until 2012, when production of that model came to an end. [2] [3]
Applications:
Year(s) | Model | Power | Torque |
---|---|---|---|
2010–2011 | Cadillac SRX | 300 hp (224 kW; 304 PS) at 5500 rpm | 295 lb⋅ft (400 N⋅m) at 2000 rpm |
2011–2012 | Saab 9-4X | 300 hp (224 kW; 304 PS) at 5500 rpm | 295 lb⋅ft (400 N⋅m) at 2000 rpm |
2009–2013 | Opel/Vauxhall Insignia | 256 hp (191 kW; 260 PS) @ 5500 rpm | 350 N⋅m (258 lb⋅ft) @ 1900–4500 rpm |
2009–2013 | Opel/Vauxhall Insignia OPC/VXR | 321 hp (239 kW; 325 PS) @ 5250 rpm | 435 N⋅m (321 lb⋅ft) @ 1900–4500 rpm |
2010–2012 | Saab 9-5 Turbo6 XWD /Aero | 296 hp (221 kW; 300 PS) @ 5500 rpm | 400 N⋅m (295 lb⋅ft) @ 2000 rpm |
The LF1 is a 3.0-litre (2,994 cc) version with a bore and stroke of 89 mm × 80.3 mm (3.50 in × 3.16 in) produced between 2010 and 2014, equipped with spark ignition direct injection (SIDI) and a 11.7:1 compression ratio.
Applications:
Year(s) | Model | Power | Torque |
---|---|---|---|
2010 | Buick LaCrosse | 255 hp (190 kW; 259 PS) @ 6950 rpm | 217 lb⋅ft (294 N⋅m) @ 5600 rpm |
2010–2012 | Buick Park Avenue (China) | 251 hp (187 kW; 254 PS) @ 6700 rpm | 218 lb⋅ft (296 N⋅m) @ 2900 rpm |
2010–2011 | Cadillac CTS | 270 hp (201 kW; 274 PS) @ 7000 rpm | 223 lb⋅ft (302 N⋅m) @ 5700 rpm |
2011–2013 | Cadillac SLS (China) | 268 hp (200 kW; 272 PS) @ 7000 rpm | 221 ft⋅lb (300 N⋅m) @ 5600 rpm |
2010–2011 | Cadillac SRX [4] | 265 hp (198 kW; 269 PS) @ 6950 rpm | 223 lb⋅ft (302 N⋅m) @ 5100 rpm |
2010–2012 | Chevrolet Equinox | 264 hp (197 kW; 268 PS) @ 6950 rpm | 222 lb⋅ft (301 N⋅m) @ 5100 rpm |
2010–2012 | GMC Terrain | 264 hp (197 kW; 268 PS) @ 6950 rpm | 222 lb⋅ft (301 N⋅m) @ 5100 rpm |
2010 | Holden Commodore | 255 hp (190 kW; 259 PS) @ 6700 rpm | 214 lb⋅ft (290 N⋅m) @ 2900 rpm |
2011 | Saab 9-4X [3] | 265 hp (198 kW; 269 PS) @ 6950 rpm | 223 lb⋅ft (302 N⋅m) @ 5100 rpm |
2011 | Chevrolet Captiva | 255 hp (190 kW; 259 PS) @ 6900 rpm | 212 lb⋅ft (287 N⋅m) @ 5800 rpm |
2012 | Chevrolet Malibu (Middle East) [5] | 260 hp (194 kW; 264 PS) @ 6900 rpm | 214 lb⋅ft (290 N⋅m) @ 5600 rpm |
The LFW is a flexible fuel version of the LF1, capable of running on E85, gasoline, or any mixture of the two. Output is identical to the LF1.
Applications:
Year(s) | Model | Power | Torque |
---|---|---|---|
2011-2017 | Buick GL8 (China only) | 254 hp (189 kW; 258 PS) @ 6800 rpm | 214 lb⋅ft (290 N⋅m) @ 5200 rpm |
2011–2012 | Chevrolet Equinox | 264 hp (197 kW; 268 PS) @ 6950 rpm | 222 lb⋅ft (301 N⋅m) @ 5100 rpm |
2011–2012 | GMC Terrain | 264 hp (197 kW; 268 PS) @ 6950 rpm | 222 lb⋅ft (301 N⋅m) @ 5100 rpm |
2012–2013 | Cadillac CTS | 270 hp (201 kW; 274 PS) @ 7000 rpm | 223 lb⋅ft (302 N⋅m) @ 5700 rpm |
2012–2013 | Chevrolet Captiva Sport | 264 hp (197 kW; 268 PS) @ 6950 rpm | 222 lb⋅ft (301 N⋅m) @ 5100 rpm |
2010–2017 | Holden Commodore (VE) and VF | 254 hp (189 kW; 258 PS) @ 6800 rpm | 214 lb⋅ft (290 N⋅m) @ 5200 rpm |
Holden has built its own 3.2 L (3,195 cc) version of the High Feature engine in Australia produced between 2005 and 2010 with a bore and stroke of 89 mm × 85.6 mm (3.50 in × 3.37 in). Branded with the Alloytec name like the 3.6L version, this version produces 227 hp (169 kW; 230 PS) at 6600 rpm and 297 N⋅m (219 lb⋅ft) at 3200 rpm. It has a 10.3:1 compression ratio. Its fuel economy is 4–6 km/L (11–17 mpg‑imp; 9.4–14.1 mpg‑US) in city, and 7–9 km/L (20–25 mpg‑imp; 16–21 mpg‑US) on highway.[ citation needed ]. Holden also produced the 3.2L engines that were used by Alfa Romeo as the basis of its JTS V6 engine.
Applications:
3.6 | |
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Overview | |
Production | 2004–present |
Layout | |
Displacement | 3,564 cc (3.564 L) |
Cylinder bore | 94 mm (3.70 in) |
Piston stroke | 85.6 mm (3.37 in) |
Compression ratio | 10.2:1, 11.3:1, 11.5:1 |
Combustion | |
Fuel system | |
Fuel type | Gasoline, Autogas (LPG), E85 |
Dimensions | |
Dry weight | 168 kg (370 lb) (3.6L V6 High Feature engine) [6] |
The 3.6 L; 217.5 cu in (3,564 cc)LY7 engine was developed primarily by Holden and introduced in the 2004 Holden VZ Commodore and 2004 Cadillac CTS sedan. It has a 10.2:1 compression ratio, Sequential multi-port fuel injection, and a bore and stroke of 94 mm × 85.6 mm (3.70 in × 3.37 in). Lower-powered versions only have variable cam phasing on the inlet cam (LE0). Selected models also include variable exhaust. The engine weighs 370 lb (170 kg) as installed.
This engine is produced in several locations: St. Catharines (Ontario), Flint Engine South (Michigan), Melbourne (Australia), Ramos Arizpe (Mexico), and Sagara (Japan) by Suzuki.
Suzuki's engine designation is N36A.
The dual-fuel 235 hp (175 kW; 238 PS)LW2 version was able to run on petrol and autogas. The LW2 engine was based on the low-output LE0 V6. It featured a factory-fitted dual-fuel system developed by IMPCO, different valves, and hardened titanium valve seats. This motor was available exclusively in Holden vehicles from 2005–2012.
Applications: [7]
Year(s) | Model | Power | Torque |
---|---|---|---|
2004–2007 | Buick Rendezvous CXL/Ultra | 242 hp (180 kW; 245 PS) @ 6000 rpm | 232 lb⋅ft (315 N⋅m) @ 3500 rpm |
2004–2007 | Cadillac CTS | 255 hp (190 kW; 259 PS) @ 6200 rpm | 252 lb⋅ft (342 N⋅m) @ 2800 rpm |
2008–2009 | Cadillac CTS | 263 hp (196 kW; 267 PS) @ 6200 rpm | 253 lb⋅ft (343 N⋅m) @ 3100 rpm |
2004–2009 | Cadillac SRX | 255 hp (190 kW; 259 PS) @ 6500 rpm | 254 lb⋅ft (344 N⋅m) @ 2800 rpm |
2004–2005 | Holden VZ Commodore | 235 hp (175 kW; 238 PS) @ 6000 rpm | 236 lb⋅ft (320 N⋅m) @ 2800 rpm |
2006–2007 | 231 hp (172 kW; 234 PS) @ 6000 rpm | 236 lb⋅ft (320 N⋅m) @ 2800 rpm | |
2004–2006 | Holden VZ Commodore | 255 hp (190 kW; 259 PS) @ 6500 rpm | 251 lb⋅ft (340 N⋅m) @ 3200 rpm |
2006–2007 | 255 hp (190 kW; 259 PS) @ 6500 rpm | 247 lb⋅ft (335 N⋅m) @ 3200 rpm | |
2005–2008 | Buick LaCrosse CXS | 240 hp (179 kW; 243 PS) @ 6000 rpm | 225 lb⋅ft (305 N⋅m) @ 2000 rpm |
2005–2007 | Cadillac STS | 255 hp (190 kW; 259 PS) @ 6500 rpm | 252 lb⋅ft (342 N⋅m) @ 3200 rpm |
2006–2007 | Holden VE Commodore Omega | 240 hp (179 kW; 243 PS) @ 6000 rpm | 243 lb⋅ft (329 N⋅m) @ 2600 rpm |
2008–2009 | 235 hp (175 kW; 238 PS) @ 6500 rpm | 240 lb⋅ft (325 N⋅m) @ 2400 rpm | |
2006–2009 | Holden WM Statesman/Caprice | 262 hp (195 kW; 266 PS) @ 6500 rpm | 250 lb⋅ft (339 N⋅m) @ 2600 rpm |
2007–2009 | Buick Park Avenue (China) | 255 hp (190 kW; 259 PS) @ 6600 rpm | 250 lb⋅ft (339 N⋅m) @ 2800 rpm |
2007–2009 | Cadillac SLS (China) | 251 hp (187 kW; 254 PS) @ 6500 rpm | 252 lb⋅ft (342 N⋅m) @ 3200 rpm |
2006–2011 | Holden Rodeo/Colorado | 211 hp (157 kW; 214 PS) @ 6500 rpm | 231 lb⋅ft (313 N⋅m) @ 2600 rpm |
2007–2008 | GMC Acadia | 275 hp (205 kW; 279 PS) @ 6600 rpm | 251 lb⋅ft (340 N⋅m) @ 3200 rpm |
2007 | Pontiac G6 GTP | 252 hp (188 kW; 255 PS) @ 6300 rpm | 251 lb⋅ft (340 N⋅m) @ 3200 rpm |
2007–2009 | Saturn Aura XR | 252 hp (188 kW; 255 PS) @ 6300 rpm | 251 lb⋅ft (340 N⋅m) @ 3200 rpm |
2007–2008 | Saturn Outlook XE single exhaust | 270 hp (201 kW; 274 PS) @ 6600 rpm | 248 lb⋅ft (336 N⋅m) @ 3200 rpm |
2007–2008 | Saturn Outlook XR dual exhaust | 275 hp (205 kW; 279 PS) @ 6600 rpm | 251 lb⋅ft (340 N⋅m) @ 3200 rpm |
2008 | Buick Enclave | 275 hp (205 kW; 279 PS) @ 6600 rpm | 251 lb⋅ft (340 N⋅m) @ 3200 rpm |
2008–2012 | Chevrolet Malibu | 252 hp (188 kW; 255 PS) @ 6300 rpm | 251 lb⋅ft (340 N⋅m) @ 3200 rpm |
2008–2009 | Chevrolet Equinox Sport | 264 hp (197 kW; 268 PS) @ 6500 rpm | 250 lb⋅ft (339 N⋅m) @ 2300 rpm |
2008–2009 | Pontiac G6 GXP | 252 hp (188 kW; 255 PS) @ 6300 rpm | 251 lb⋅ft (340 N⋅m) @ 3200 rpm |
2008–2009 | Pontiac G8 | 256 hp (191 kW; 260 PS) @ 6300 rpm | 248 lb⋅ft (336 N⋅m) @ 2100 rpm |
2008–2009 | Pontiac Torrent GXP | 264 hp (197 kW; 268 PS) @ 6500 rpm | 250 lb⋅ft (339 N⋅m) @ 2300 rpm |
2008–2009 | Saturn Vue XR / Red Line | 257 hp (192 kW; 261 PS) @ 6500 rpm | 248 lb⋅ft (336 N⋅m) @ 2100 rpm |
2007–2009 | Suzuki XL-7 | 252 hp (188 kW; 255 PS) @ 6500 rpm | 243 lb⋅ft (329 N⋅m) @ 2300 rpm |
The 3.6 L (3,564 cc)LLT is a direct injected version based on the earlier LY7 engine. It was first unveiled in May 2006, and the DI version was claimed to have 15% greater power, 8% greater torque, and 3% better fuel economy than its port-injected counterpart. The LLT engine has a compression ratio of 11.3:1, and has been certified by the SAE to produce 302 hp (225 kW; 306 PS) at 6300 rpm and 272 lb⋅ft (369 N⋅m) of torque at 5200 rpm on regular unleaded (87 octane) gasoline. This engine debuted on the 2008 Cadillac STS and CTS. [8] [9] GM used an LLT in all 2009–2017 Lambda-derived crossover SUVs to allow class-leading fuel economy in light of the new Corporate Average Fuel Economy (CAFE) standards. In these crossovers, the LLT engine produced up to 288 hp (215 kW; 292 PS) and 270 lb⋅ft (366 N⋅m) of torque. [10] [11] [12]
Applications:
Year(s) | Model | Power | Torque |
---|---|---|---|
2008–2011 | Cadillac CTS | 304 hp (227 kW; 308 PS) @ 6400 rpm | 273 lb⋅ft (370 N⋅m) @ 5200 rpm |
2008–2011 | Cadillac STS | 302 hp (225 kW; 306 PS) @ 6300 rpm | 272 lb⋅ft (369 N⋅m) @ 5200 rpm |
2009–2017 | Buick Enclave | 288 hp (215 kW; 292 PS) @ 6300 rpm | 270 lb⋅ft (366 N⋅m) @ 3400 rpm |
2009–2017 | Chevrolet Traverse single exhaust | 281 hp (210 kW; 285 PS) @ 6300 rpm | 266 lb⋅ft (361 N⋅m) @ 3400 rpm |
2009–2017 | Chevrolet Traverse dual exhaust | 288 hp (215 kW; 292 PS) @ 6300 rpm | 270 lb⋅ft (366 N⋅m) @ 3400 rpm |
2009–2016 | GMC Acadia | 288 hp (215 kW; 292 PS) @ 6300 rpm | 270 lb⋅ft (366 N⋅m) @ 3400 rpm |
2009 | Saturn Outlook single exhaust | 281 hp (210 kW; 285 PS) @ 6300 rpm | 266 lb⋅ft (361 N⋅m) @ 3400 rpm |
2009 | Saturn Outlook dual exhaust | 288 hp (215 kW; 292 PS) @ 6300 rpm | 270 lb⋅ft (366 N⋅m) @ 3400 rpm |
2009–2011 | Daewoo Veritas | ||
2009–2011 | Holden VE Commodore SV6 | 281 hp (210 kW; 285 PS) @ 6400 rpm | 258 lb⋅ft (350 N⋅m) @ 2900 rpm |
2009–2011 | Holden WM Statesman/Caprice | 281 hp (210 kW; 285 PS) @ 6400 rpm | 258 lb⋅ft (350 N⋅m) @ 2900 rpm |
2010–2011 | Buick LaCrosse CXS | 280 hp (209 kW; 284 PS) @ 6400 rpm | 259 lb⋅ft (351 N⋅m) @ 5200 rpm |
2010–2011 | Chevrolet Camaro | 312 hp (233 kW; 316 PS) @ 6400 rpm | 278 lb⋅ft (377 N⋅m) @ 5200 rpm |
2010–2011 | Cadillac SLS (China) | 307 hp (229 kW; 311 PS) @ 6400 rpm | 276 lb⋅ft (374 N⋅m) @ 5200 rpm |
The LFX is an enhanced version of the LLT engine developed jointly by Holden and Cadillac. Introduced in the MY2012 Holden Commodore SV6 and the MY2012 Chevrolet Camaro LS/LT, it is 20.5 pounds (9.3 kg) lighter than the LLT, thanks to a redesigned cylinder head, integrated exhaust manifold, and composite intake manifold. Other components like the fuel injectors, intake valves, and fuel pump have also been updated. They also included the addition of cam phasing and variable valve timing. Power and torque are up slightly from the LLT. The compression ratio is 11.5:1. The LFX also features E85 flex-fuel capability.
Applications:
Year(s) | Model | Power | Torque | Dyno chart |
---|---|---|---|---|
2012–2016 | Buick LaCrosse | 303 hp (226 kW; 307 PS) @ 6800 rpm | 264 lb⋅ft (358 N⋅m) @ 5300 rpm | link |
2013–2015 | Cadillac ATS | 321 hp (239 kW; 325 PS) @ 6800 rpm | 274 lb⋅ft (371 N⋅m) @ 4800 rpm | link |
2012–2014 | Cadillac CTS (2014 Wagon & Coupe only) | 318 hp (237 kW; 322 PS) @ 6800 rpm | 275 lb⋅ft (373 N⋅m) @ 4900 rpm | link |
2014–2015 | Cadillac CTS (2014 Sedan only) | 321 hp (239 kW; 325 PS) @ 6800 rpm | 275 lb⋅ft (373 N⋅m) @ 4900 rpm | link |
2012–2016 | Cadillac SRX | 308 hp (230 kW; 312 PS) @ 6800 rpm | 265 lb⋅ft (359 N⋅m) @ 2400 rpm | link |
2013–2019 | Cadillac XTS | 304 hp (227 kW; 308 PS) @ 6800 rpm | 264 lb⋅ft (358 N⋅m) @ 5200 rpm | link |
2012–2015 | Chevrolet Camaro | 323 hp (241 kW; 327 PS) @ 6800 rpm | 278 lb⋅ft (377 N⋅m) @ 4800 rpm | link |
2012–2017 | Chevrolet Caprice PPV | 301 hp (224 kW; 305 PS) @ 6700 rpm | 265 lb⋅ft (359 N⋅m) @ 4800 rpm | link |
2015–2016 | Chevrolet Colorado | 305 hp (227 kW; 309 PS) @ 6800 rpm | 269 lb⋅ft (365 N⋅m) @ 4000 rpm | link |
GMC Canyon | link | |||
2013–2017 | Chevrolet Equinox | 301 hp (224 kW; 305 PS) @ 6500 rpm | 272 lb⋅ft (369 N⋅m) @ 4800 rpm | link |
2012–2016 | Chevrolet Impala/Impala Limited | 302 hp (225 kW; 306 PS) @ 6500 rpm | 262 lb⋅ft (355 N⋅m) @ 5300 rpm | |
2014–2020 | Chevrolet Impala | 305 hp (227 kW; 309 PS) @ 6500 rpm | 262 lb⋅ft (355 N⋅m) @ 5300 rpm | link |
2013–2017 | GMC Terrain | 301 hp (224 kW; 305 PS) @ 6500 rpm | 272 lb⋅ft (369 N⋅m) @ 4800 rpm | link |
2011–2015 | Holden Caprice | 281 hp (210 kW; 285 PS) @ 6700 rpm | 258 lb⋅ft (350 N⋅m) @ 2800 rpm | |
2011–2013 | Holden Commodore VE II (MY 2012) | 281 hp (210 kW; 285 PS) @ 6700 rpm | 258 lb⋅ft (350 N⋅m) @ 2800 rpm | |
2013–2017 | Holden Commodore VF | 281 hp (210 kW; 285 PS) @ 6700 rpm | 258 lb⋅ft (350 N⋅m) @ 2800 rpm |
The LWR is dedicated LPG 3.6-liter engine. Introduced in the MY2012 Holden Commodore, Based on the 3.6-litre LY7 engine, the LWR had a vapour injection system. The vapour injection system injected gas directly into the air intake runner, thereby preventing excess gas from circulating through the air intake system. Although liquid LPG injection generally produces more power, Holden justified vapour injection on the grounds of lower fuel consumption, lower CO2 emissions, reduced pumping and parasitic losses, and start-up reliability in hot weather.
The dedicated LPG LWR engine produced peak power and torque of 180 kW (245 PS; 241 hp) at 6000 rpm and 320 N⋅m (236 lb⋅ft) at 2000 rpm. The LWR engine was mated to GM's six-speed 6L45 automatic transmission and, over the combined ADR 81/02 test cycle, the Commodore Omega achieved fuel consumption of 11.8 L/100 km (24 mpg‑imp; 19.9 mpg‑US) – an improvement of 1.6 L/100 km compared to its dual-fuel LW2 predecessor. Furthermore, the LWR engine exceeded Euro 6 emissions standards.
Applications:
Year(s) | Model | Power | Torque |
---|---|---|---|
2012–2013 | Holden Commodore VE II (MY 2012) | 241 hp (180 kW; 244 PS) @ 6000 rpm | 236 lb⋅ft (320 N⋅m) @ 2000 rpm |
2013–2015 | Holden Commodore VF | 241 hp (180 kW; 244 PS) @ 6000 rpm | 236 lb⋅ft (320 N⋅m) @ 2000 rpm |
2012–2015 | Holden Caprice | 241 hp (180 kW; 244 PS) @ 6000 rpm | 236 lb⋅ft (320 N⋅m) @ 2000 rpm |
The 3.6 L (3,564 cc)LCS was derived from the direct-injected LLT for use in hybrids, using the two-mode system. [13] Differences from the LLT included a slightly lower compression ratio, 11.3:1, and lower power and torque peaks. It was to debut in the 2009 Saturn Vue Hybrid, where it would have made 262 hp (195 kW; 266 PS) at 6100 rpm and 250 lb⋅ft (339 N⋅m) of torque at 4800 rpm. [14] Fuel economy ratings would have been 6–8 km/L (17–23 mpg‑imp; 14–19 mpg‑US) in city, and 9–11 km/L (25–31 mpg‑imp; 21–26 mpg‑US) on highway. However, GM cancelled its plans for the Saturn Vue Hybrid.
The 3.6L twin-turbocharged version for the 2014 Cadillac CTS and XTS was announced at the 2013 NYAS. [15]
The engine is rated at 420 hp (313 kW; 426 PS) of power at 5750 rpm and 430 lb⋅ft (583 N⋅m) of torque at 3500–4500 rpm (with 90% of torque being available at 2500–5500 rpm) and helps the CTS achieve 0–60 mph (0–97 km/h) time of 4.6 seconds with an 8-speed automatic transmission.
In essence, the twin-turbo 3.6L V6 is the forced-induction variant of the popular LFX V6 found in the Cadillac ATS, XTS, and SRX, among many other GM models, with several important upgrades, including:
Applications:
Year(s) | Model | Power | Torque | Dyno chart |
---|---|---|---|---|
2014–2019 | Cadillac XTS | 404 hp (301 kW; 410 PS) @ 6000 rpm | 369 lb⋅ft (500 N⋅m) @ 1900–5600 rpm | link |
2014–2019 | Cadillac CTS | 420 hp (313 kW; 426 PS) @ 5750 rpm | 430 lb⋅ft (583 N⋅m) @ 3500–4500 rpm | link |
The LF4 is a higher-performance variant of the LF3 for use in the Cadillac ATS-V. Changes to the LF3 include:
Applications:
Year(s) | Model | Power | Torque | Dyno chart |
---|---|---|---|---|
2016–2019 | Cadillac ATS-V, Cadillac ATS-V Coupe | 464 hp (346 kW; 470 PS) @ 5850 RPM | 445 lb⋅ft (603 N⋅m) @ 3500 RPM | 2016 link |
2022–present | Cadillac CT4-V Blackwing | 472 hp (352 kW; 479 PS) | 445 lb⋅ft (603 N⋅m) |
The LFR is a bi-fuel variant of the LFX, although multi-point fuel injection is used for both the gasoline and CNG instead of direct-injection.
Applications:
Year(s) | Model | Power | Torque | Dyno chart |
---|---|---|---|---|
2015–2017 | Chevrolet Impala Bi-Fuel | CNG232 hp (173 kW; 235 PS) @ 6000 RPM | CNG218 lb⋅ft (296 N⋅m) @ 5200 RPM | 2016 CNG link |
Gasoline258 hp (192 kW; 262 PS) @ 5900 RPM | Gasoline244 lb⋅ft (331 N⋅m) @ 4800 RPM | 2016 Gas link |
The LFY is similar to the LFX, but adds stop-start technology and has improved airflow. [18]
Applications:
Year(s) | Model | Power | Torque |
---|---|---|---|
2018–2024 | Buick Enclave | 310 hp (231 kW; 314 PS) @ 6800 rpm | 266 lb⋅ft (361 N⋅m) @ 2800 rpm |
2018–2023 | Chevrolet Traverse | 310 hp (231 kW; 314 PS) @ 6800 rpm | 266 lb⋅ft (361 N⋅m) @ 2800 rpm |
Starting with the 2016 Cadillac models, a new generation of High Feature V6s were developed. [19] These new engines have redesigned block architectures with bore centers increased from 103 mm (4.055 in) on prior HFV6 engines to 106 mm (4.173 in) and a redesigned cooling system to target the hottest areas while also facilitating faster warm-up. They also incorporate engine start-stop technology, cylinder-deactivation, 2-stage oil pumps, and updated variable valve timing featuring intermediate park technology for late-intake valve closure. Both engines debuted in the 2016 Cadillac CT6. [20]
Bore and stroke of 86 mm × 85.8 mm (3.39 in × 3.38 in) are used, along with a 9.8:1 compression ratio and twin turbos with titanium-aluminide turbine wheels. Maximum engine speed is 6500 RPM. Premium unleaded fuel is required.
Applications:
Year(s) | Model | Power | Torque | Dyno chart |
---|---|---|---|---|
2016–2019 | Cadillac CT6 | 404 hp (301 kW; 410 PS) @ 5700 RPM | 400 lb⋅ft (542 N⋅m) @ 2500-5100 RPM | dyno chart |
Bore and stroke of 86 mm × 85.8 mm (3.39 in × 3.38 in) are used, along with a 9.8:1 compression ratio and twin turbos with titanium-aluminide turbine wheels. Maximum engine speed is 6500 RPM. Premium unleaded fuel is required.
Applications:
Year(s) | Model | Power | Torque | Dyno chart |
---|---|---|---|---|
2020–present | Cadillac CT5 | 335 hp (250 kW; 340 PS) @ 5600 RPM | 405 lb⋅ft (549 N⋅m) @ 2400-4400 RPM | |
V: 360 hp (268 kW; 365 PS) @ 5600 RPM | V: 405 lb⋅ft (549 N⋅m) @ 2400-4400 RPM |
Along with the increased bore spacing, the new 3.6 L DI V6 has larger bores than before, growing from 94 mm (3.701 in) to 95 mm (3.740 in) with the same 85.8 mm (3.378 in) stroke as the 3.0L LGW, for a displacement of 3.6 L (3,649 cc). Intake and exhaust valves are also increased in size along with other changes to the cylinder head. [21] The only part shared with the prior generation is the hydraulic lash adjusters in the valvetrain. [22] The LGX was benchmarked against the 3.7L VQ37VHR of the 2015 Infiniti Q40. [22] Compression ratio is 11.5:1 and maximum engine speed is 7200 RPM.
Compared to GM's LFX/LFY 3.6 L engine, the LGX features active fuel management, NVH enhancements and slightly more torque. [23]
The LGX was on Ward's 10 Best Engines for 2016. [24]
Applications:
Year(s) | Model | Power | Torque | Dyno chart |
---|---|---|---|---|
2016–2019 | Cadillac ATS | 335 hp (250 kW; 340 PS) @ 6800 RPM | 285 lb⋅ft (386 N⋅m) @ 5300 RPM | 2016 link |
2016–2019 | Cadillac CT6 | 335 hp (250 kW; 340 PS) @ 6800 RPM | 284 lb⋅ft (385 N⋅m) @ 5300 RPM | 2016 link |
2016–2019 | Cadillac CTS | 335 hp (250 kW; 340 PS) @ 6800 RPM | 285 lb⋅ft (386 N⋅m) @ 5300 RPM | 2016 link |
2016–2024 | Chevrolet Camaro | 335 hp (250 kW; 340 PS) @ 6800 RPM | 284 lb⋅ft (385 N⋅m) @ 5300 RPM | 2016 link |
2017–2019 | Buick LaCrosse | 310 hp (231 kW; 314 PS) @ 6800 RPM | 282 lb⋅ft (382 N⋅m) @ 5200 RPM | |
2018–2020 | Buick Regal GS | 310 hp (231 kW; 314 PS) @ 6800 RPM | 282 lb⋅ft (382 N⋅m) @ 5200 RPM | |
2018–2020 | Holden Commodore | 315 hp (235 kW; 319 PS) @ 6800 RPM | 281 lb⋅ft (381 N⋅m) @ 5200 RPM | |
2017–2025 | Cadillac XT5 | 310 hp (231 kW; 314 PS) @ 6600 RPM | 271 lb⋅ft (367 N⋅m) @ 5000 RPM | |
2017–2023 | GMC Acadia | 310 hp (231 kW; 314 PS) @ 6600 RPM | 271 lb⋅ft (367 N⋅m) @ 5000 RPM | |
2019–present | Chevrolet Blazer | 308 hp (230 kW; 312 PS) @ 6600 RPM | 269 lb⋅ft (365 N⋅m) @ 5000 RPM | |
2020–present | Cadillac XT6 | 310 hp (231 kW; 314 PS) @ 6600 RPM | 271 lb⋅ft (367 N⋅m) @ 5000 RPM |
The LGZ is a variant of the LGX designed for use in the Chevrolet Colorado and GMC Canyon. [25] [26]
Applications:
Year(s) | Model | Power | Torque |
---|---|---|---|
2017–2022 | GMC Canyon | 308 hp (230 kW; 312 PS) @ 6800 RPM | 275 lb⋅ft (373 N⋅m) @ 4000 RPM |
Chevrolet Colorado |
On March 21, 2007, AutoWeek reported that GM was planning to develop a 60-degree V12 based on this engine family to power the top version of Cadillac's upcoming flagship sedan. This Cadillac would essentially have had two 3.6L High Feature V6s attached crankshaft-to-crankshaft and would have featured high-end technologies including direct injection and cylinder deactivation. If this engine were developed, it would have displaced 7.2 liters, and produced approximately 600 hp (447 kW; 608 PS) and 540 lb⋅ft (732 N⋅m) of torque. Development of the engine was reportedly being conducted in Australia by Holden, with a potential HSV or Statesman application. [27]
In August 2008, GM announced that development of the V12 had been cancelled. [28]
Earlier production 2.8L, 3.0L, 3.2L, and 3.6L engines with the three chain design suffered from premature timing chain failures because of a faulty PCV system and extended oil change intervals. Most of the problems occurred on pre-LFX engines. [29]
Holden sold a HFV6 engine under the name Alloytec. The High Feature moniker on the Holden produced engine is reserved for the twin cam phasing high output version. The block was designed to be expandable from 2.8 L to 4.0 L. High Feature V6 engines were previously produced in Fishermans Bend, Port Melbourne, Australia, and remain in production at the following four manufacturing locations: St. Catharines Engine Plant, St. Catharines, Canada; Flint Engine South in Flint, Michigan, United States; Romulus Engine Plant in Romulus, Michigan; and Ramos Arizpe, Coahuila, Mexico. The assembly lines for the St. Catharines and Flint facilities were manufactured by Hirata Corporation at its powertrain facility in Kumamoto, Japan. Most of the designs of this motor happened in Flint. They were first produced for the Cadillac range.[ citation needed ] The engine block and cylinder heads are cast at Defiance Foundry in Defiance, Ohio.
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