The largest 4-cylinder engine in a production car belonged to the 1961 Pontiac Tempest Le Mans, with 194.5 ci capacity. Pontiac developed the Trophy 4 engine as a cost-effective solution ...

Just a year later, the regs at Le Mans were set to be changed ... Mazda It all started in July 1961. This was the moment that the Japanese government officially approved Mazda’s licensing ...