V12
After little luck in Formula One with the supercharged Colombo V12, Ferrari moved to natural aspiration. The task of designing an NA V12 for Formula One use fell to Aurelio Lampredi, who designed a 3.3 L (3322 cc) unit.
Like the Colombos, Lampredi engines found their way into road cars as well. The 1952 340 America and MM were first with big 4.1 L (4102 cc) engines producing 200 and 300 hp (149 and 224 kW). Lampredi engines moved to the 250 with the 1953 250 Export. Unlike the earlier engines with their oversquare 80 mm (3.1 in) by 68 mm (2.7 in) bore and stroke, the 250 used square 68 mm (2.7 in) dimensions for 3.0 L (2963 cc) total. Power was impressive at 220 hp (164 kW).
The big America engine was made even larger for the 1956 410 Superamerica. Now with an 88 mm (3.5 in) bore, it displaced 5 L (4962 cc) and produced 340 hp (254 kW). The same engine was used in 1964's 500 Superfast.
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