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A four-stroke V12 engine has even firing order at V-angles of 60, 120, or 180 degrees [1] Many V12 engines use a V-angle of 60 degrees between the two banks of cylinders. [2] V12 engines with other V-angles have been produced, sometimes using split crankpins to reduce the unbalanced vibrations. The drawbacks of V12 engines include extra cost ...
The first Ferrari-designed engine was the 1,496.77 cc (1.5 L; 91.3 cu in) V12 125, the work of Gioacchino Colombo and assistants Giuseppe Busso and Luigi Bazzi . [1] The engine's name, and the car powered by it, the 125 S sports racer, were derived from the tiny 124.73 cc (7.6 cu in) 55 mm (2.17 in) by 52.5 mm (2.07 in) 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 ...
Originally developed to be used in the Nissan P35 race car for Group C racing, the VRT35 would later see use in the 1992 All Japan Sports Prototype Championship.Required to be 3.5 litres by Group C rules, the engine had to not only be high-revving like a Formula One engine, but also have endurance capabilities.
The BMW M70 is a naturally-aspirated, SOHC, V12 petrol engine, which was BMW's first production V12 [1] and was produced from 1987 to 1996. It was also the first German 12-cylinder post-war automobile engine, predating Mercedes-Benz's M120 by four years and VAG's W12 by fourteen.
The first-generation Lamborghini V12 was a sixty degree (60°) V12 petrol engine designed by Lamborghini, [1] [2] and was the first internal combustion engine ever produced by the firm. It entered production in 1963 as a 3.5 litre displacing 3,465 cubic centimetres (211.4 cu in) fitted on Lamborghini's first car, the Lamborghini 350GT.
Honda has made a number of naturally-aspirated V12 engines designed for Formula One motor racing; starting with the 1.5-litre RA271E engine in 1964, [10] [11] and ending with the 3.0-litre RA273E in 1968. [5] [12] This would be followed by a 21-year hiatus, until Honda reintroduced the new 3.5-litre RA121E in 1991. [13]
Weighing 900 kg and powered by a 7.0 L 60 degree SOHC V12 developing 730 horsepower / 545 kW @ 7000 rpm, and 579 ft lbf / 785 N·m @ 5500 rpm, the XJR-12 could hit 368 km/h / 229 mph. [1] During the 1990 24 Hours of Le Mans, the XJR-12 covered 4,882.4 km at an average speed of 204.036 km/h / 126.782 mph with a maximum trap speed of 353 km/h ...