The Nissan Y40 was a special V8 engine produced for the Nissan President Limousine between 1965 and 1973. It displaced 4.0 L (3988 cc) with a 92 mm bore and 75 mm stroke. A 4-barrel carburetor and 9.0:1 compression produced 195 hp (145 kW) and 237 ft.lbf (321 Nm), a high point for Nissan at the time.
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