The design direction taken by the team at Maranello, in creating the two 410S CMs, was not so purposeless. The small diameter tube, triangulated chassis design was soon adapted to take the 860 Monza engine. More significantly the engineering team focused on creating a new 12 cylinder.
The basic construction of the engine may have seemed an amalgam of V-12 principles characteristic of Colombo and Lampredi's previous efforts, but through the efforts of Jano and Fraschetti, it was to incorporate most contemporary advances, causing an engineering turning point in the history of Ferrari's twelve's. Here was a design that addressed specific horsepower through the contemporarily interpreted tenets of normally aspirated engines; small combustion chamber, off center ignition, high compression, advanced porting. Engineering criteria that was effectively relegating to the past the supercharged era.
The cylinders would be aligned at the previous 60 degrees, the oversquare bore and stroke layout would be maintained; the stroke being increased to 69.5, from the Lampredi
Excerpt from Chapter Three: Transformation & V12 Resurrection
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