The

Prince A prince is a male ruler (ranked below a king, grand prince, and grand duke) or a male member of a monarch's or former monarch's family. ''Prince'' is also a title of nobility (often highest), often hereditary, in some European states. T ...

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 An overhead valve (OHV) engine, sometimes called a ''pushrod engine'', is a piston engine whose valves are located in the cylinder head above the combustion chamber. This contrasts with earlier flathead engines, where the valves were located bel ...

and OHC heads. A diesel four-cylinder with was also built, called the D-6. The G series was used in the

Skyline A skyline is the outline or shape viewed near the horizon. It can be created by a city’s overall structure, or by human intervention in a rural setting, or in nature that is formed where the sky meets buildings or the land. City skyline ...

, the

Laurel Laurel may refer to: Plants * Lauraceae, the laurel family * Laurel (plant), including a list of trees and plants known as laurel People * Laurel (given name), people with the given name * Laurel (surname), people with the surname * Laurel (mus ...

, 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.

Straight-4

FG4A-10

diameter X stroke: , OHV *Maximum output ( gross) @ 4000 rpm *Maximum torque (gross) @ 2000 rpm *1952-1955

Prince Sedan The Prince Sedan was a Japanese compact executive car made from 1952 until 1957 by the Tama Motor Company (renamed the Prince Motor Company in November 1952), which was one of the successors of the Tachikawa Aircraft Company. It was replaced by ...

AISH *1952-1954 Prince Truck AFTF

FG4A-20

diameter X stroke: , OHV *Maximum output (gross) @ 4000 rpm *Maximum torque (gross) @ 2000 rpm *1955-1956 Prince AIPC-1 *1955-1956 Prince AIVE-1 *1955-1957

AISH *1955-1956 Prince Truck AFTF *1955-1956 Prince Truck AKTG *1956 Prince BNSJ concept (increased to 1.9L)

FG4A-30

diameter X stroke: , OHV *Maximum output (gross) @ 4000 rpm *Maximum torque (gross) @ 2000 rpm Renamed GA-30 in 1958 Applications: *1957 Prince AIPC-2 *1957 Prince AIVE-2 *1957

AISH-6 *1957 Prince Truck AFTF-8 *1957 Prince Miler AOTH-1 *1957 Prince Miler AOVH-1 *1957 Prince ALPE-1 *1957 Prince ALVG-1 *1957 Prince AKTG-4

GA-30

diameter X stroke: , OHV *Maximum output (gross) @ 4400 rpm *Maximum torque (gross) @ 3200 rpm * 1957

Prince Skyline A skyline is the outline or shape viewed near the horizon. It can be created by a city’s overall structure, or by human intervention in a rural setting, or in nature that is formed where the sky meets buildings or the land. City skylines ...

ALSI-1 * 1957-1961

ALSI-2 * 1957-1958 Prince Truck ALPE * 1958-1959

Prince Miler The Prince Miler is a medium-sized pickup truck built by the Prince Motor Company. It remained on the market for four years after the 1966 merger, when Prince dealerships became integrated within Nissan's organization as '' Nissan Prince Store''. B ...

ARTH-1 (New Miler) * 1958-1960 Prince Truck AQTI-1

GA-4

diameter X stroke: , OHV *Maximum output (gross) @ 4000 rpm *Maximum torque (gross) @ 2000 rpm 1959 improvement on the GA-30; also known as FG4A-40 *Mechanical similarities with engine used in

Subaru 1500 The Subaru 1500 is the first car built by Fuji Heavy Industries, with the development code-name of P1. The prototype used a monocoque body structure and adopting the " ponton" style appearance, with an independent front wishbone suspension and a ...

Applications: * 1957-1959

Prince Skyway The Prince Skyway was a commercial delivery van and coupe utility produced by the Prince Motor Company from 1957 to 1967. It was based on the various Prince Skyline models of the period. In 1966, after the merger with Nissan, the V51A Skyway was ...

ALVG * 1959-1963

ARTH-2 * 1958

Van ARVH-1 * 1958-1961

ALSI-2 * 1959-1961 Prince Skyway * 1959 Prince ALPE-2 * 1959 Prince ALVG-2 * 1960 Prince Truck AQTI-2 * 1962-1964 Prince Light Miler T430

GB-30

diameter X stroke: , OHV *Maximum output (gross) @ 4800 rpm *Maximum torque (gross) @ 3600 rpm Also known as FG4B-30 Applications: * 1957-1961

Van BRVF * 1958 Prince Miler BRTH-1 * 1959-1960

Prince Gloria Gloria may refer to: Arts and entertainment Music Christian liturgy and music * Gloria in excelsis Deo, the Greater Doxology, a hymn of praise * Gloria Patri, the Lesser Doxology, a short hymn of praise ** Gloria (Handel) ** Gloria (Jenkin ...

BLSIP-1 * 1960-1961 Prince Gloria BLSIP-2 * 1962 Prince BQTI-2 * 1963 Prince T631

GB-4

diameter X stroke: , OHV *Maximum output (gross) @ 4800 rpm *Maximum torque (gross) @ 3600 rpm Also known as FG4B-40 Applications: * 1961-1963

BLSIP-3 * 1961-1963

BLSI-3 * 1959-1962

BRTH-2 * 1961 Prince Skyline Sport BLRA-3 Coupe & Convertible * 1962 Prince Skyline S21 * 1962 Prince BLPE-3 * 1962 Prince BLVG-3

G-1

The Prince G-1 was the improved GA-4, and was rated at 1.5 L, but displaced thanks to an entirely different bore and stroke. This

undersquare In a reciprocating piston engine, the stroke ratio, defined by either bore/stroke ratio or stroke/bore ratio, is a term to describe the ratio between cylinder bore diameter and piston stroke length. This can be used for either an internal co ...

arrangement was similar to the designs Nissan licensed from Austin Motor Company, though this is probably coincidental. This engine was also an

design and power output was similar to the Nissan G at and . Applications: * 1958-1963

Prince Clipper A clipper was a type of mid-19th-century merchant sailing vessel, designed for speed. Clippers were generally narrow for their length, small by later 19th century standards, could carry limited bulk freight, and had a large total sail area. " ...

AQTI * 1961-1968

Prince Homer The Prince Homer was a small commercial vehicle manufactured by the now integrated Prince Motor Company. It was available as a van, called the Homy, a double cab, or regular cab truck. The first model was known as the T64, and was sold as the P ...

T64/T640 * 1962-1965 Prince Miler T430 * 1963 Prince Skyway V51A * 1963-1965 Prince Clipper T630 * 1963-1967

S50 * 1963-1968

V51 (renamed as "Nissan Prince Skyline Van" in 1966 after the merger with Nissan) * 1965-1966 Prince Light Miler T440

G-2

The G-2 is a version used by Prince. Bore and stroke were

square In Euclidean geometry, a square is a regular quadrilateral, which means that it has four equal sides and four equal angles (90- degree angles, π/2 radian angles, or right angles). It can also be defined as a rectangle with two equal-length a ...

at , and output was and with a 2 barrel carburetor. It was an improved version of the GB-4 and was introduced in 1962 and was installed in the S40 series Prince Gloria as well as the Clipper and Super Miler commercial vehicles. The G-2 was an OHV design. Applications: * 1962 Prince Skyway P23/V23 * 1962-1965

S40 * 1962-1965 Prince Super Miler T431 * 1963 Prince 1900 Sprint concept * 1963-1967

T631 * 1964-1967 Prince Super Miler T441 * 1965 Prince T65

G-15

The SOHC G-15 was a engine produced in 1967 for the Skyline. Bore and stroke was . With a 2 barrel carburetor equipped, the engine produced and . With a crossflow cylinder head, a V-shaped canted valve arrangement and a multi-spherical combustion chamber design, the G-15 was the most technologically advanced Japanese car engine of its day, eclipsing even Nissan's L series engine in their design. The Nissan G engine was not related to the Prince engine; the Nissan version was

and slightly smaller displacement. Applications: * 1967

S57 * 1968-1972

Nissan Skyline The is a brand of automobile originally produced by the Prince Motor Company starting in 1957, and then by Nissan after the two companies merged in 1967. After the merger, the Skyline and its larger counterpart, the Nissan Gloria, were sold i ...

1500 (C10)

G-16

inside diameter x stroke: mmin, SOHC *maximum output (gross) @ 6000 rpm *Maximum torque (gross) @ 4000 rpm The G-15 was bored out to form the G-16. Adapting the engine to more stringent US emissions was deemed too expensive, and it was replaced by the L16 engine in 1975. Applications: * 1972-1975

1600 (C110)

G-18

The G-18 was a . Its bore was the largest in the range, and the stroke gave it good oversquare dimensions. It was an SOHC cross flow cylinder head design like the G-15 and produced and . This engine was discontinued in 1975 due to tightening emission regulations and replaced with the L18. Applications: * 1968-1972

1800 (PC10) * 1968-1972

Nissan Laurel The Nissan Laurel is a front-engine, rear-drive two- and four-door sedan manufactured and marketed by Nissan from 1969 to 2002. Introduced in 1968 as a new model positioned above the 1968 Datsun Bluebird 510, the Laurel offered the luxury of the ...

C30 * 1972-1975

1800 (PC110) * 1972-1975 Nissan Laurel C130

G-20

inside diameter x stroke: , SOHC Twin Barrel single Carburetor *compression ratio 8.3:1 *maximum output (gross) @ 5600 rpm *maximum torque (gross) @ 3200 rpm Twin

SU carburetor SU carburettors were a British manufacturer of constant-depression carburettors. Their designs were in mass production during most of the twentieth century. The S.U. Carburetter Company Limited also manufactured dual-choke updraught carburetto ...

regular gasoline *compression ratio 8.3:1 *maximum output (gross) @ 5800 rpm *maximum torque (gross) @ 3600 rpm Twin SU carburetor high octane gasoline *compression ratio 9.7:1 *maximum output (gross) @ 5800 rpm *maximum torque (gross) @ 3600 rpm This engine was only used in the 1968-1975 C30 & C130

, and was discontinued in 1975 due to tightening emission regulations.

Straight-6

Prince used a straight-6 version of the G family in their famous

cars. All of the Prince straight-6 engines used single overhead cam heads. Engine displacement was kept below 2000cc to limit the amount of

Road tax Road tax, known by various names around the world, is a tax which has to be paid on, or included with, a motorised vehicle to use it on a public road. National implementations Australia All states and territories require an annual vehicle registra ...

to be paid yearly in addition to other Japanese Government mandated expenses.

G-7

The G-7 is a straight-6 version displacing . It was the engine of the ''GT''-model

s and was an OHC engine unlike the mainly-OHV family that spawned it. Bore and stroke were square at and power output varied with the carburetor equipped. Plain versions featured a 2 barrel carb and 8.8:1 for and , while the 1965 Skyline GT-B used 3 twin-barrel

Weber carburetor Weber Carburetors is an automotive manufacturing company founded in 1923, known for their carburetors. History Eduardo Weber began his automotive career working for Fiat, first at their Turin plant (in 1914) and later at a dealership in Bologna ...

s and 9.3:1 compression for and . It was influenced by the Mercedes-Benz M180 straight six engine. 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

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

inside diameter x stroke: , DOHC *compression ratio 11.0:1 *maximum output (gross) more than @ 8400 rpm *maximum torque (gross) @ 6400 rpm Racing engine used in the Prince R380 and Nissan R380-II, based on the G7 engine. It used 4 valves per cylinders and

DOHC An overhead camshaft (OHC) engine is a piston engine where the camshaft is located in the cylinder head above the combustion chamber. This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion cha ...

, used 3

s model 42DCOE-18, producing a claimed for the R380 and for the R380-II. The GR-8 used in the R380-III featured

mechanical fuel injection Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector. This article focuses on fuel injection in reciprocating piston and Wankel rotary engines. All comp ...

. The

Nissan S20 engine The Nissan S20 engine was a straight-6, DOHC internal combustion engine produced by Nissan from 1969 to 1973, originally designed by engineers of the former Prince. It was essentially a revised production variant of the 1966 Prince GR-8 engine ...

was derived from the GR-8.

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

References

{{Nissan G Straight-four engines Straight-six engines Gasoline engines by model