The Prince G-series engine was the company's only straight-four and straight-six engines which began production in 1955. A number of variations were made, with both OHV and OHC heads. A diesel four-cylinder with was also built, called the D-6. The G series was used in the Skyline, the Laurel, and the Gloria from the 1950s to the early 1970s.
Note that, prior to its merger with Prince, Nissan also made a G series of engines. These are unrelated engines and are documented at the Nissan G engine page.
The source of the listed information is the corresponding article at Japanese Wikipedia.
Flat-2
In 1956, Prince developed a flat-2 engine, the FG2D, for their DPSK (later CPSK) concept car. It displaced 601 cc and produced . The engine suffered excessive vibration and noise issues and was replaced with the FG4C engine.
Flat-4
Prince developed the FG4C, a flat-four displacing 599 cc and producing , as a replacement for the FG2D. The FG4C was used in the 1957 CPSK concept. The intake and exhaust manifolds are on the left side of the engine because Japanese drivers sit on the right side and the steering column would interfere, while the Mercedes-Benz engine places the intake and exhaust on the right side due to left hand driving conditions.
Applications:
- 1963-1967 Prince Gloria S41
- 1965-1968 Prince Skyline 2000 GT-A S54AE
- 1965-1968 Prince Skyline 2000 GT-B S54BE (3 Weber 40 DCOE carburetors)
- 1967-1969 Nissan (Prince) Gloria PA30
G7B-R
inside diameter x stroke:
An improvement on the G7 using a cross-flow cylinder head and was converted into racing use during 1965 - 1966 in the S54 Skyline GT used for racing. Was not commercially available.
GR-8
200px|thumb|right|Prince/Nissan GR-8 engine displayed at Nissan's engine museum
200px|thumb|right|Prince/Nissan GR-8 engine in a [[Prince R380|R380 race car]]
inside diameter x stroke: , DOHC
- maximum torque (gross) @ 6400 rpm
| @ 8000 rpm
| over @ 8000 rpm
| @ 8500 rpm
| @ 8400 rpm
| @ 8400 rpm
|-
<!--! Torque (gross)
| @ 8000 rpm
| over @ 8000 rpm
| @ 8500 rpm
| @ 8400 rpm
| @ 8400 rpm-->
|}
Racing engine used in the Prince R380 and Nissan R380-II, based on the G7 engine.
G-11
The G-11 is another straight-6 OHC version, displacing . Bore was up to like the G-2 4-cylinder, while stroke remained at as on the G-7. Power output with a 4 barrel carburetor was with of torque.
Applications:
- 1964-1967 Prince Grand Gloria S44P
See also
- List of Nissan engines
- Nissan G engine