[1] The G series was used in the Fairlady/Sports 1500 roadster, the Cedric, and Junior.
It evolved into the Datsun 1600's "R"/H16 engine.
Note that, prior to its merger with Nissan, Prince also made a G series of engines.
The plain "G" engine was a 1.5-L (1488 cc) used in the Sports 1500 from 1963 through 1965.
Output was 75 to 85 hp (55.9 to 63.4 kW) and 83 to 92 lb·ft (112.5 to 124.7 Nm) depending on the carburetor equipped.