History of Lamborghini year. Ferruccio Lamborghini turned to Bertone designer Mario Marazzi, who had formerly worked at Touring. Together with Lamborghini's engineers, he created a four-seater named the Marzal. The car rode on a stretched Miura chassis, and it was powered by an in-line six-cylinder that was made from one-half of Lamborghini's V12 design. Despite an innovative design that featured gullwing doors and enormous glass windows, Lamborghini rejected the design. Eventually, a toned-down version became the Islero 400GT. While the car was not the full four-seater that he desired, Ferruccio Lamborghini thought the car represented a well-developed "gran turismo" product. It failed to
V12 engine powered car in the Brooklands short and long handicap races. The engine displaced , with bore and stroke of 80 x 150 mm. An aluminum crankcase carried two blocks of three cylinders each along each side, with a 60 degree included angle. The cylinders were of iron, with integral cylinder heads with L-shaped combustion chambers. Inlet and exhaust valves were operated by a central camshaft in the V. Valve clearance was set by grinding the relevant parts, the engine lacking any easy means of adjustment. This pointed to Coatalen's ultimate aim of using the new V12 as an aero engine,