Original: When Lancia pioneered the V6 in 1950, they used a 60 Â angle between the cylinder banks and a six-throw crankshaft to achieve equally spaced firing intervals of 120 Â.
Simplified: The Lancia V6 in 1950 used a 60 Â angle between the cylinder banks and a six-throw crankshaft. to achieve equally spaced firing intervals of 120 Â.