By 1955, Mercedes-Benz’s 300SLR presented a challenge that could not be met by Ferrari’s V12 racers, nor the nimble 4-cylinder 750 Monza, prompting Il Commendatore to commission Aurelio Lampredi to create a more-powerful straight-6 powerplant. The advanced 3,747-cc engine found a home in the 118 LM — a sports car designed to take on the Three-Pointed ...
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