
When the new prototype Berlinetta Boxer was introduced on the Pininfarina stand at the 1971 Turin Motor Show with its centrally located flat 12-cylinder Boxer engine it allowed a much lower silhouette body and introduced a completely new style of Ferrari Super Car. Production eventually began in 1973 and was catalogued as a 365 GT/4 BB using the same size 4.4-liter engine as the previous Daytona, but now in a horizontal plane as opposed to a Vee. Power output was quoted as 360 bhp at 7,700 rpm with a maximum speed of 175mph.
In 1976 a revised Berlinetta Boxer was announced with an increase in capacity to five liters and a new designation, “512 BB” (5-liter, 12 cylinders). The main improvement with the new engine was an increase in torque, higher compression ratio and dry sump lubrication, all of which provided maximum power at lower engine speed. As with the 4.4-liter version of the 512 BB, it was not intended for racing but there were several attempts...
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