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The sole Japanese V12 engine is the 1997–2016 Toyota GZ engine, a 5.0 L (305 cu in) DOHC design which was used in the Toyota Century limousine. [26] [27] In China, the 2009 Hongqi HQE limousine, powered by a 6.0 L (366 cu in) DOHC V12 engine, is the sole Chinese car to be produced with a V12 engine. [citation needed] [28]
The first engine to use the S70 name is a 5,576 cc (340.3 cu in) variant of the M70 engine fitted only to the E31 850CSi. [17] With 1,510 units produced, this is the lowest production BMW engine to date. [18] Three prototype dual overhead camshaft S70 engines were constructed, prior to the decision to not produce an E31 M8 model. [19] Applications:
Some engines have used a V-angle of 180 degrees (the same angle as a flat engine), such as several Ferrari V12 engines. [7] [8] At the other end of the scale, the 1922-1976 Lancia V4 engine and the 1991–present Volkswagen VR6 engine use V-angles as small as 10 degrees, along with a single cylinder head used by both banks of cylinders.
The engine used in the Ferrari F333 SP sports prototype was a modified version of the 65-degree V12 engine used in the 1990 Ferrari 641 Formula One car, enlarged from 3.5 L to 4.0 L, for longevity, durability, and reliability, and producing 641 hp (650 PS; 478 kW) @ 11,000 rpm; detuned on power and revs from the original engine by about 40 hp ...
With these modifications and the addition of Mercedes-Benz's 7G-Tronic transmission on the V12 models, it is estimated that fuel economy will rise about 21% on the European cycle for the large-bodied Mercedes vehicles. Power is now at 530 PS (390 kW; 523 hp) and torque figures stay the same as the predecessor at 830 N⋅m (612 lb⋅ft).
Delage is the only street legal car manufacturer with the rights to use Mauro Bianchi's contractive suspension patents for a road car. [citation needed] This design revolutionized F1 in 1998 and currently equips all F1 cars. The Delage has a central driving position, as in Formula 1, albeit with space for a passenger behind the driver, in tandem.
The N73 engine also has variable valve lift (valvetronic), which varied intake valve opening lift from 0.30–9.85 mm (0.01–0.39 in), according to engine speed and load. Each cylinder head has a valvetronic assembly – including a motor, control module and position sensor. [4] The N73 was superseded by the BMW N74, a twin-turbocharged V12 ...
The engine architecture was based on the 90-degree Ford Modular engine family, based on the same architecture and bore as the 4.6-litre V8 engine, but with four more cylinders added, two more in each cylinder bank, and a shorter stroke. This yielded a 90-degree V12, with a 90.2 mm (3.55 in) bore and a 77.3 mm (3.04 in) stroke with the cylinders ...