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V6 engine

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367:(which does not have the balance problems of the V6 engine). Therefore, the flat-six engine has been used in various automobiles, whereas use of the 120 degree V6 engine has been limited to a few truck and racing car engines, with the exception of McLaren Automotive's M630 V6 engine, which uses a 120 degree bank angle with a single balance shaft to eliminate all primary couples. The McLaren M630 engine also takes advantage of the wide angle by placing the turbochargers inside the vee, commonly referred to as a 'hot vee' configuration. The Ferrari 296 GTB is the first Ferrari road car to sport a V6 turbo with a vee angle of 120 degrees between the cylinder banks. 272: 669: 459: 221: 470: 68: 38: 356:
configuration, unlike the 60 degree or 90 degree configurations, would not require crankshafts with flying arms, split crankpins, or seven main bearings to be even-firing. However, the primary imbalance caused by odd number of cylinders in each bank still remains in a 120 degree V6 engine. This differs from the perfect balance achieved by a 90 degree V8 engine with a commonly used
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reverses direction before the next one starts its power stroke, which results in a gap between power strokes, especially at lower engine speeds (RPM). In a six-cylinder engine with an even firing interval, the next piston starts its power stroke 60° before the previous one finishes, which results in smoother delivery of power to the flywheel.
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automobile engine. The V-angle was increased from the then-common 60 degree angle to allow larger carburetors to be used (for potentially higher power in race tuning). Crankpins with an offset of 55 degrees within every pair of cylinders were used to achieve the even firing interval of a 60 degree V6
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At first glance, 120 degrees might seem to be the optimal V-angle for a V6 engine, since pairs of pistons in alternate banks can share crank pins in a three-throw crankshaft and the combustion forces are balanced by the firing interval being equal to the angle between the cylinder banks. A 120 degree
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Many manufacturers, particularly American ones, built V6 engines with a V-angle of 90 degrees based on their existing 90-degree V8 engines. Such configurations were easy to design by removing two cylinders and replacing the V8 engine's four-throw crankshaft with a three-throw crankshaft. This reduced
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engine) had three shared crankpins arranged at 120 degrees from each other, due to their origins from the V8 engines. This resulted in an uneven firing order, with half of the cylinders using a firing interval of 90 degrees and other half using an interval of 150 degrees. The uneven firing intervals
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Comparing engines on a dynamometer, a V6 engine shows instantaneous torque peaks of 154% above mean torque and valleys of 139% below mean torque, with a small amount of negative torque (engine torque reversals) between power strokes. In the case of a four-cylinder engine, the peaks are approximately
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Formula One car used a new V6 engine with a V-angle of 120 degrees and a displacement of 1.5 L (92 cu in). This engine was shorter and lighter than the Ferrari Dino engine, and the simplicity and low center of gravity of the engine was an advantage in racing. It won a large number of
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The 1950 Lancia V6 engine was pioneering in its use of a six-throw crankshaft in order to reduce vibration. More recent designs often use a three-throw crankshaft with 'flying arms' between the crankpins to allow an even firing interval of 120 degrees to be achieved. A pair of counterweights on the
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Since there is no room in the V between the cylinder banks for an intake system, all the intakes are on one side of the engine, and all the exhausts are on the other side. It uses a firing order of 1-5-3-6-2-4 (which is the firing order used by most straight-six engines), rather than the common V6
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By the mid-1990s, the V6 layout was the most common configuration for six-cylinder automotive engines, with V6 engines having replaced most of the straight-six engines. Today, it is being progressively replaced across the car industry by turbocharged 4-cylinder engines, which can produce similar
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Six-cylinder designs have less pulsation in the power delivery than four-cylinder engines, due to the overlap in the power strokes of the six-cylinder engine. In a four-cylinder, four-stroke engine, only one piston is on a power stroke at any given time. Each piston comes to a complete stop and
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bank angle, but unlike the Buick V8, used all-cast iron construction. Initially an uneven-firing engine, Buick later redesigned the crankshaft to a "split-pin" configuration to create an "even-firing" version. After it became the 3800 V6 in 1990, the engine gained a reputation as a reliable,
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luxury sedan and later used in many other Alfa Romeo models. This engine used a 60 degree V-angle, an all-aluminium construction and two valves per cylinder. A turbocharged version was introduced in 1991 and a four valve per cylinder version was introduced in 1997. Also in 1970, the
506:. Lancia had been producing V4 engines for approximately 30 years, and one of the key goals was to reduce the vibrations compared with the V4 engine. The V6 engine used a 60 degree V-angle and six crankpins, resulting in an evenly-spaced firing order to reduce vibrations. 707:
was a 1.5 L (92 cu in) racing engine used in Formula Two racing in the 1957 season. It had a V-angle of 65 degrees and dual overhead camshafts. The Dino V6 underwent several evolutions, including a 2.4 L (146 cu in) version used in the 1958
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A 60 degree V-angle results in a narrower engine overall than V6 engines with larger V-angles. This angle often results in the overall engine size being a cube shape, making the engine easier to fit either longitudinally or transversely in the engine compartment.
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front-wheel drive cars which were originally designed for inline-four engines. Due to the minimal extra length and width of the VR6 engine, it could be fitted to the engine compartments relatively easily, in order to provide a displacement increase of 50 percent.
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are used for each cylinder (i.e. using a six-throw crankshaft), an even firing interval of 120 degrees can be used. This firing interval is a multiple of the 60 degree V-angle, therefore the combustion forces can be balanced through use of the appropriate
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270% above mean torque and 210% below mean torque, with 100% negative torque being delivered between strokes. However, a V6 with uneven firing intervals of 90° and 150° shows large torque variations of 185% above and 172% below mean torque.
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powerful, fuel-efficient workhorse that became a mainstay of GM's FWD mid-size and full-size cars. It was discontinued in 2008. Over 25 million units had been built, making it one of the most-produced engines in history, and it was on
340:"even-fire" V6 engine was an upgraded version of the Buick Fireball engine with a split-pin crankshaft to reduce vibration by achieving an even firing order. Such a 'split' crankpin is weaker than a straight one, but modern 335:
Several modern 90 degree V6 engines reduce the vibrations using split crankpins offset by 30 degrees between piston pairs, which creates an even firing interval of 120 degrees for all cylinders. For example, the 1977
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crankshaft can then be used to almost perfectly cancel out the primary forces and reduce the secondary vibrations to acceptable levels. The engine mounts can be designed to absorb these remaining vibrations.
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The displacement of modern V6 engines is typically between 2.5 to 4.0 L (153 to 244 cu in), though larger and smaller examples have been produced, such as the 1.8 L (110 cu in)
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German car manufacturers were relatively slow to adopt V6 engines, because engineers believed that they lacked the smoothness of an inline-6 engine. Eventually, the first German V6 engine was a 2.8 liter
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The inline-three engine that forms each cylinder bank, however, produces unbalanced rotating and reciprocal forces. These forces remain unbalanced in all V6 engines, often leading to the use of a
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In 1906, a few years after 4 cylinder engines and V8 engines had come into existence, the first known V6 engine was built. This V6 engine was a single prototype automotive engine built by
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with the best placed cars finishing second and fourth. A tuned 3,102 cc (189 cu in) version of the Lancia V6 engine producing was 169 kW (230 PS) used in the
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automotive engine. A slightly smaller than usual V-angle was used to reduce the width of the engine, allowing it to be used in small transverse-engine front-wheel drive cars.
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design costs, allowed the new V6 to share components with the V8 engine, and sometimes allowed manufacturers to build the V6 and V8 engines on the same production line.
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All V6 engines with even firing spacing—regardless of the V-angle between the cylinder banks—are subject to a primary imbalance caused by each bank consisting of an
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with Land Rover for use in the XE, XF, XJ, F-Type and the F-Pace. Land Rover used it in the Range Rover, Range Rover Sport, Range Rover Velar, and the Discovery 4.
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Due to their short length, V6 engines are often used as the larger engine option for vehicles which are otherwise produced with inline-four engines, especially in
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engines with V-angles of 10.5 and 15 degrees. These engines use a single cylinder head shared by both banks of cylinders, in a design similar to the 1922-1976
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Formula One car. Renault struggled with reliability issues in 1977 and 1978; however, the 1979 season saw some good results at a few races. In 1981, the
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The downsides of a 90 degree design are a wider engine which is more vibration-prone than a 60 degree V6. The initial 90 degree V6 engines (such as the
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sports car prototype category from 1985 to 1994 and used a turbocharged V6 engine loosely based on the Nissan VG30ET production car engine. The
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with turbocharged V6 engines in 1982 and 1983. Initial versions used a 120 degree V-angle, before switching to a 90 degree V-angle for the 1987
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Other angle V6 engines are possible but can suffer from severe vibration problems unless very carefully designed. Notable V-angles include:
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locomotive, marine and stationary Diesel engines. These engines were based on V8 and V16 engines which also used a V-angle of 45 degrees.
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power, but in a smaller package that produces cleaner emissions, has better fuel economy, and are less expensive to produce.
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and equipped with a 2.5 L (150 cu in) engine making a peak power of 360 kW (490 PS) at 11,900 rpm.
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The Lancia Aurelia (the first series production car with a V6 engine) was also successful in motor racing. Four of the
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6-12-10. Salon 1910. [Moteur Delahaye] 6 c[ylindres] 18/24 HP : [photographie de presse]
1837: 1189: 752: 431:. These engines were produced in both SOHC and DOHC versions. A 75 degree V6 engine is also used by the 2016–2022 1607: 513:
was introduced in the form of a 60-degree 305 cu in (5 L) petrol engine used in pickup trucks and
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in the United States. The engine did not reach production. Similarly, a single prototype engine was produced by
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crankshaft, because the inline-four engine in each bank of the V8 engine does not have this primary imbalance.
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automobile engine also used a 65 degree bank angle, to allow a turbocharger to fit between the cylinder banks.
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A V-angle of 60 degrees is the optimal configuration for V6 engines regarding engine balance. When individual
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A balance shaft and/or crankshaft counterweights can be used to reduce vibrations in 90 degree V6 engines.
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sportscar racing car. This engine won the European 2 L prototype championship in 1974 and several
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A 120 degree design also results in a large width for the engine, being only slightly narrower than a
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diesel engine. This engine uses crank pins offset by 48 degrees, to achieve an even firing interval.
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produced the first 30° 3.2-litre V6 which was installed in the 1911 Delahaye Type 44 automobile.
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24 hour endurance race, however it retired with mechanical issues after approximately 8 hours.
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in Germany. These V6 engines were used as the generator for gasoline-electric railway engines.
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racing car. Other successful turbocharged V6 Formula One cars in the era of 1982-1988 were the
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Hull, Peter. "Delahaye: Famous on Road and Race Track", in Ward, Ian, executive editor.
107:. The V6 layout has become the most common layout for six-cylinder automotive engines. 2271: 2050: 1920: 1915: 1872: 1810: 928:
was a racing motorcycle which was unveiled at the 1977 Milan show. It entered the 1978
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resulted in rough-running engines with "unpleasant" vibrations at low engine speeds.
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Other manufacturers took note and soon other V6 engines were designed. In 1959, the
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V6 engine was discontinued in 2020, and Jaguar Land Rover replaced it with the new
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Ford introduced its European road car engines in 1965 with the German division's
522: 518: 364: 192: 172: 132: 100: 1815: 1322: 906: 889:(formerly known as the GP2 Series) switched to turbocharged V6 engines in 2018. 861: 726: 713: 709: 627: 592: 584: 576: 503: 420: 171:, while the largest gasoline V6 built was the 7.8 L (476 cu in) 152: 136: 96: 2200: 2195: 2170: 2165: 564:
grand tourer was introduced, powered by a 90-degree V6 built by Maserati. The
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was a 90 degree V6 engine with an iron block. It was introduced in the 1973
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The first V6 engine to reach production was built from 1908 to 1913 by the
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until 2011 in their smaller cars, but also shared a V6 version of the 90
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Downsizing to V6 engines in open-wheeler racing became more common:
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The first V6 engines were designed and produced independently by
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was Ferrari's first V6 road car, which had a 65-degree V-angle.
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Formula One car used a turbocharged V6 engine. Ferrari won the
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A turbocharged 1.5 L (92 cu in) version of the
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based on technology shared from the Mitsubishi unit in 1995.
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has produced road motorcycles with VR6 engines since 2012.
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The first independently designed British V6 engine was the
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Cutaway view of a V6 engine with double overhead camshafts
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A notable racing use of the Alfa Romeo V6 engine was the
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Formula One racing car. A few years later, the 1961-1964
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instead of V6 engines, due to their near perfect primary
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V6 engine, represented in AngeTheGreat's Engine Simulator
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Piston engine with six cylinders in a "V" configuration
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V6 engines are popular powerplants in medium to large
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was introduced in 1962 and was based on the all-alloy
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can produce a crankshaft that is adequately strong.
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switched to turbocharged hybrid V6 engines in 2014.
595:in 1992. Hyundai introduced the first South Korean 571:The first mass-produced Japanese V6 engine was the 1039: 1037: 849:used a similar engine to compete in the 1996-1997 568:was introduced in 1978 and produced for 36 years. 1184:(2nd ed.). Society of Automotive Engineers. 234:Since 1991, Volkswagen has produced narrow angle 2258: 532:Ward's 10 Best Engines of the 20th century list. 123:is that V6 engines produce more vibrations than 1685:"The Horex VR6 Raw is a V6 Two-Wheeled Monster" 1034: 91:. Engines built after World War II include the 1720: 1045:"The Physics of: Engine Cylinder-Bank Angles" 864:switched to turbocharged V6 engines in 2012. 853:(now known as the 'Super GT' championship). 251:firing order of 1-2-3-4-5-6 or 1-6-5-4-3-2. 195:on the crankshaft and/or a counter-rotating 1348:"F.I.A. World Sports Car Championship 1953" 1258:. Phoenix, Arizona: David Bull Publishing. 964: 275:Toyota 1GR-FE 4.0 Litre 60-degree V6 Engine 1727: 1713: 1591: 1585: 1440: 1434: 1182:The Golden Age of the American Racing Car 901:Use in marine vessels and railway engines 182: 159:, or the 1.6 L (98 cu in) 30:"V6" redirects here. For other uses, see 1253: 1179: 1074: 1072: 1070: 1068: 1066: 994: 851:All Japan Grand Touring Car Championship 667: 579:was introduced in 1985, followed by the 468: 457: 310: 270: 258: 219: 66: 36: 1244:(London: Orbis, 1974), Volume 5, p.523. 1173: 1083:(4th ed.). Butterworth-Heinemann. 210: 14: 2259: 1078: 780:Formula One constructors' championship 1708: 1594:Geschichte der Gasmotorenfabrik Deutz 1256:Lancia and De Virgilio: At the Centre 1063: 919: 453: 1019: 995:Herriott, Richard (22 August 2014). 1013: 215: 56:where the cylinders share a common 24: 1081:Light and Heavy Vehicle Technology 1023:Torsional Output of Piston Engines 972:"Lancia Coupés & Convertibles" 770:engine was introduced in the 1977 753:European Formula Two Championships 25: 2283: 997:"Engines: The Road Less Traveled" 607:V6 that was launched in the 1990 630:that was previously used in the 1677: 1651: 1625: 1600: 1560: 1535: 1509: 1484: 1459: 1409: 1387: 1362: 1340: 1315: 1290: 1272: 1247: 1234: 1198: 663: 370: 242:. The VR6 engines were used in 1148: 1122: 1097: 988: 880:Formula One World Championship 350: 13: 1: 958: 634:. Jaguar used the Ford-based 306: 254: 224:Cross-section of a VR6 engine 163:engine used in the 1992–1998 1160:www.american-automobiles.com 127:. Some sports cars like the 7: 1254:Goldberg, Geoffrey (2014). 1180:Borgeson, Griffith (1998). 941: 703:The initial version of the 502:was introduced in the 1950 10: 2288: 1612:www.motorcycleclassics.com 1592:Matschoss, Conrad (1921). 1028:Aircraft Engine Technology 894:FIA Formula 3 Championship 887:FIA Formula 2 Championship 227: 29: 2209: 2156: 2064: 2016: 1948: 1939: 1901: 1746: 684:were entered in the 1951 402:engine. The 2009–present 295:to reduce the vibration. 119:vehicles. A downside for 110: 1441:Ludvigsen, Karl (2001). 1302:www.grandprixhistory.org 1210:, Agence Rol, 2010-12-06 482:Marmon Motor Car Company 392:General Motors 54-degree 342:metallurgical techniques 81:Marmon Motor Car Company 1496:www.ultimatecarpage.com 914:Deutz Gasmotoren Fabrik 611:, and the narrow-angle 566:Chevrolet 90° V6 engine 449:Formula One racing car. 419:75 degrees — 1992-2004 397:65 degrees — 1956-1975 390:54 degrees — 1994-2004 85:Deutz Gasmotoren Fabrik 1868:Single-acting cylinder 1801:Double-acting cylinder 1443:Classic Racing Engines 1284:www.thornleykelham.com 1226:: CS1 maint: others ( 1134:www.ateupwithmotor.com 677: 555:was introduced in the 477: 466: 320: 276: 268: 225: 183:Balance and smoothness 155:used in the 1991–1998 76: 60:and are arranged in a 42: 1736:Engine configurations 1445:. Haynes Publishing. 1327:www.petergiddings.com 1298:"Mille Miglia - 1951" 671: 626:, which replaced the 581:Mitsubishi 6G7 engine 525:, which shared its 90 472: 461: 314: 274: 262: 223: 70: 40: 1838:Oscillating cylinder 1663:www.roadandtrack.com 1572:www.classicscars.com 1547:www.classicscars.com 1358:on 22 February 2015. 1242:World of Automobiles 1079:Nunney, M J (2007). 1049:www.caranddriver.com 749:Alpine -Renault A440 734:Alfa Romeo 155 V6 TI 694:Carrera Panamericana 597:Hyundai Sigma engine 553:Alfa Romeo V6 engine 542:Ford Essex V6 engine 475:Alfa Romeo V6 engine 211:Cylinder bank angles 143:(which improves the 125:straight-six engines 1931:Two-and four-stroke 1833:Intake over exhaust 1471:www.f1technical.net 1421:www.f1technical.net 1374:www.f1technical.net 1020:Kane, Jack (2006). 953:Straight-six engine 875:V6 engines in 2013. 873:naturally aspirated 835:Nissan GTP ZX-Turbo 768:Renault-Gordini CH1 761:24 Hours of Le Mans 757:Renault Alpine A442 745:Renault-Gordini CH1 736:, designed for the 705:Ferrari Dino engine 411:Mercedes-Benz OM642 189:inline-three engine 177:GMC C/K series 6500 32:V6 (disambiguation) 1523:. 11 November 2014 1417:"Ferrari Dino 156" 920:Use in motorcycles 698:Juan Manuel Fangio 682:Aurelia B20 Coupes 678: 478: 467: 454:Use in automobiles 438:80 degrees — 1988 404:Nissan-Renault V9X 321: 277: 269: 226: 77: 43: 2254: 2253: 2250: 2249: 1950:Inline / straight 1848:Overhead camshaft 1689:www.rideapart.com 1637:www.silodrome.com 1608:"1977 Laverda V6" 1452:978-1-85960-649-0 1395:"Ferrari engines" 1090:978-0-7506-8037-0 1051:. 14 January 2011 672:Mercedes-Benz V6 591:in 1988, and the 557:Alfa Romeo Alfa 6 329:Buick Fireball V6 244:transverse engine 175:used in the 1962 141:centre of gravity 117:transverse engine 16:(Redirected from 2279: 1946: 1945: 1941:Cylinder layouts 1729: 1722: 1715: 1706: 1705: 1700: 1699: 1697: 1695: 1681: 1675: 1674: 1672: 1670: 1655: 1649: 1648: 1646: 1644: 1639:. 27 August 2013 1633:"The Laverda V6" 1629: 1623: 1622: 1620: 1618: 1604: 1598: 1597: 1589: 1583: 1582: 1580: 1578: 1564: 1558: 1557: 1555: 1553: 1539: 1533: 1532: 1530: 1528: 1521:www.autoweek.com 1513: 1507: 1506: 1504: 1502: 1488: 1482: 1481: 1479: 1477: 1463: 1457: 1456: 1438: 1432: 1431: 1429: 1427: 1413: 1407: 1406: 1401:. 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Archived from 1344: 1338: 1337: 1335: 1333: 1319: 1313: 1312: 1310: 1308: 1294: 1288: 1287: 1276: 1270: 1269: 1251: 1245: 1238: 1232: 1231: 1225: 1217: 1216: 1215: 1202: 1196: 1195: 1177: 1171: 1170: 1168: 1166: 1152: 1146: 1145: 1143: 1141: 1126: 1120: 1119: 1117: 1115: 1109:www.carfolio.com 1101: 1095: 1094: 1076: 1061: 1060: 1058: 1056: 1041: 1032: 1031: 1017: 1011: 1010: 1008: 1007: 992: 986: 985: 983: 982: 968: 841:competed in the 759:, which won the 624:Rover KV6 engine 589:Toyota VZ engine 573:Nissan VG engine 500:Lancia V6 engine 464:Lancia V6 engine 319:90-degree engine 267:60-degree engine 240:Lancia V4 engine 216:10 to 15 degrees 133:flat-six engines 103:in 1962 for the 95:in 1950 for the 93:Lancia V6 engine 21: 2287: 2286: 2282: 2281: 2280: 2278: 2277: 2276: 2257: 2256: 2255: 2246: 2205: 2152: 2060: 2012: 1935: 1897: 1742: 1733: 1703: 1693: 1691: 1683: 1682: 1678: 1668: 1666: 1657: 1656: 1652: 1642: 1640: 1631: 1630: 1626: 1616: 1614: 1606: 1605: 1601: 1590: 1586: 1576: 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1265:978-1935007258 1264: 1246: 1233: 1197: 1190: 1172: 1147: 1136:. 9 April 2008 1121: 1096: 1089: 1062: 1033: 1012: 987: 962: 960: 957: 956: 955: 950: 943: 940: 921: 918: 902: 899: 898: 897: 890: 883: 876: 865: 862:IndyCar Series 727:Lancia Stratos 717:races between 700:at the wheel. 665: 662: 628:Honda C engine 593:Isuzu V engine 585:Mazda J engine 577:Honda C engine 551:The 1979-2005 504:Lancia Aurelia 455: 452: 451: 450: 436: 421:Isuzu V engine 417: 407: 395: 388: 372: 369: 352: 349: 308: 305: 256: 253: 228:Main article: 217: 214: 212: 209: 184: 181: 137:engine balance 112: 109: 97:Lancia Aurelia 26: 9: 6: 4: 3: 2: 2284: 2273: 2270: 2268: 2265: 2264: 2262: 2243: 2240: 2238: 2235: 2233: 2230: 2228: 2225: 2223: 2220: 2218: 2215: 2214: 2212: 2208: 2202: 2199: 2197: 2194: 2192: 2189: 2187: 2184: 2182: 2179: 2177: 2174: 2172: 2169: 2167: 2164: 2163: 2161: 2159: 2155: 2149: 2146: 2144: 2141: 2139: 2136: 2134: 2131: 2129: 2126: 2124: 2121: 2119: 2116: 2114: 2111: 2107: 2104: 2103: 2102: 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EPI, Inc. 714:Ferrari 156 710:Ferrari 246 546:Dino 206 GT 425:Isuzu Rodeo 351:120 degrees 129:Porsche 911 121:luxury cars 2267:V6 engines 2261:Categories 1926:Six-stroke 1911:Two-stroke 1828:Heron head 1786:Cam engine 1214:2023-08-08 1006:2019-12-30 981:2007-09-15 959:References 926:Laverda V6 869:GP3 Series 828:Lotus 100T 690:Lancia D24 562:Citroën SM 540:, and the 538:Cologne V6 473:2002-2005 462:1950-1970 358:crossplane 315:1996-2005 307:90 degrees 281:crank pins 263:1984-1999 255:60 degrees 230:VR6 engine 157:Mazda MX-3 139:and lower 99:, and the 71:A typical 58:crankshaft 18:V6 engines 2272:V engines 1596:. 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Index

V6 engines
V6 (disambiguation)

cylinder
piston engine
crankshaft
V configuration

DOHC
Marmon Motor Car Company
Deutz Gasmotoren Fabrik
Delahaye
Lancia V6 engine
Lancia Aurelia
Buick V6 engine
Buick Special
transverse engine
luxury cars
straight-six engines
Porsche 911
flat-six engines
engine balance
centre of gravity
handling
Mazda V6
Mazda MX-3
Mitsubishi V6
Mirage
Lancer
GMC V6

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