Subaru EG engine

18 Apr 2015 | Author: | Comments Off on Subaru EG engine

Subaru EG engine

Subaru uses a four or five character code to identify all of their engines. [ 1 ]

Two Cylinder

EK31 . 356#160;cc Bore Stroke = 61.5 x 60#160;mm

maximum output 16#160;PS (12#160;kW; 16#160;hp) at 4,500#160;rpm (1958.05-1960.02)

maximum output 18#160;PS (13#160;kW; 18#160;hp) at 4,700#160;rpm (1960.02-1964.07)

maximum output 20#160;PS (15#160;kW; 20#160;hp) at 5,000#160;rpm (1964.07-1968.08)

compression ratio = 6.5:1

Used in the Subaru 360 (1958–1968) and Sambar (1961–1970).

EK51 . 423#160;cc Bore Stroke = 67.0 x 60.0#160;mm

maximum output 23#160;PS (17#160;kW; 23#160;hp) at 5,000#160;rpm

compression ratio = 6.5:1

Used in the Subaru 450 (MAIA) Japan North America (1960–66)

EK32 . 356#160;cc Bore Stroke = 61.5 x 60#160;mm

maximum output 25#160;PS (18#160;kW; 25#160;hp) at 5,500#160;rpm (1968.08-1970)

maximum output 36#160;PS (26#160;kW; 36#160;hp) at 7,000#160;rpm (1968.11-1970)

compression ratio = 7.5:1

Used in the Subaru 360 and 360 Young SS, 1968-70.

EK33 . 356#160;cc Bore Stroke = 61.5 x 60#160;mm

compression ratio = 6.5:1 (standard) 7.5:1 (Young SS Sport Edition)

maximum output 26#160;PS (19#160;kW; 26#160;hp) at 5,800#160;rpm (R-2 Van K41 . Sambar K55/K64 )

maximum output 30#160;PS (22#160;kW; 30#160;hp) at 6,500#160;rpm (R-2)

maximum output 36#160;PS (26#160;kW; 36#160;hp) at 7,000#160;rpm (R-2 SS)

maximum output 32#160;PS (24#160;kW; 32#160;hp) at 6,500#160;rpm (R-2 Sport Edition)

Used in the Subaru R-2 1969–1971 and Subaru Sambar 1970–1973

EK34 . 356#160;cc Bore Stroke = 61.5 x 60.0#160;mm

compression ratio = 6.5:1

maximum output 28#160;PS (21#160;kW; 28#160;hp) at 5,500#160;rpm (Sambar K71/K72/K81 )

maximum output 32#160;PS (24#160;kW; 32#160;hp) at 6,000#160;rpm (R-2, Rex)

maximum output 35#160;PS (26#160;kW; 35#160;hp) at 6,500#160;rpm (Rex TS)

maximum output 36#160;PS (26#160;kW; 36#160;hp) at 7,000#160;rpm (R-2 GSS)

maximum output 37#160;PS (27#160;kW; 36#160;hp) at 6,500#160;rpm (Rex GSR)

Used in the Subaru R-2 1971.10-1972.07, Subaru Rex 1972.07-1973.10, Subaru Sambar 1973.02-1976.02

Four-strokes

Water Cooled four-stroke SOHC with SEEC emissions system (later SEEC-T), alloy block and head. [ 2 ]

EK21 . Bore x Stroke mm = 66.0 x 52.4

Piston displacement = 358#160;cc

Compression ratio = 9.5:1

maximum output 28#160;PS (21#160;kW; 28#160;hp) at 7,500#160;rpm (Rex Van K42 . Wagon K26 . Rex sedan 75.12-76.05)

maximum output 31#160;PS (23#160;kW; 31#160;hp) at 8,000#160;rpm (73.10-75.12 Rex)

Used in the Subaru Rex K22 from 1973.10–1976.05, Subaru Sambar February 1976-May 1976

EK22 . Bore x Stroke mm = 74.0 x 57.0, SEEC-T emissions system

Piston displacement = 490#160;cc

Compression ratio = 9.0:1

maximum output 28#160;PS (21#160;kW; 28#160;hp) (Rex 5 Van K43 . Sambar 5 K75/76/85 )

maximum output 31#160;PS (23#160;kW; 31#160;hp) at 6,500#160;rpm (Rex 5 K23 )

Used in the Subaru Rex 1976.05–1977.05, Subaru Sambar 5 from May 1976 until March 1977

EK23 . Bore x Stroke mm = 76.0 x 60.0

Piston displacement = 544#160;cc

Compression ratio = 8.5:1

Two valves per cylinder

maximum output 31#160;PS (23#160;kW; 31#160;hp) at 6,200#160;rpm (Rex)

maximum output 28#160;PS (21#160;kW; 28#160;hp) at 6,200#160;rpm (Rex Van, Sambar)

maximum output 31#160;PS (23#160;kW; 31#160;hp) at 6,000#160;rpm (Rex 2nd gen Rex Combi)

maximum output 30#160;PS (22#160;kW; 30#160;hp) at 6,000#160;rpm (Rex 3rd gen)

Used in the Subaru Rex from 1977.05–1989, Subaru Sambar 1977–1990

EK23 ThreeValve . Bore x Stroke mm = 76.0 x 60.0

Piston displacement = 544#160;cc

Compression ratio = 9.0:1

Two valves per cylinder

maximum output 34#160;PS (25#160;kW; 34#160;hp) at 6,000#160;rpm (Sambar)

maximum output 36#160;PS (26#160;kW; 36#160;hp) at 7,000#160;rpm (Rex)

Used in the Subaru Rex Viki from 1986 to 1989, Subaru Sambar 1989–1990

EK23 Turbo Bore x Stroke mm = 76.0 x 60.0

Piston displacement = 544#160;cc

Compression ratio = 8.5:1

Two valves per cylinder

Hitachi-made 36#160;mm turbines

maximum output 41#160;PS (30#160;kW; 40#160;hp) at 6,000#160;rpm

Used in the Subaru Rex Combi (1983–1986)

EK23 ThreeValve Turbo Bore x Stroke mm = 76.0 x 60.0

Piston displacement = 544#160;cc

Compression ratio = 9.0:1

Three valves per cylinder (two intake, one exhaust)

Hitachi-made 36#160;mm turbines

maximum output 36#160;PS (26#160;kW; 36#160;hp) at 7,000#160;rpm

Used in the Subaru Rex VX (1986–1989)

EK23 ThreeValve Supercharger Bore x Stroke mm = 76.0 x 60.0

Piston displacement = 544#160;cc

Compression ratio = 9.0:1

Three valves per cylinder (two intake, one exhaust)

Water-cooled intercooler

maximum output 55#160;PS (40#160;kW; 54#160;hp) at 6,400#160;rpm

Used in the Subaru Rex Supercharger (1988–1989)

EK42 Bore x Stroke mm = 78.0 x 69.6

Piston displacement = 665#160;cc

Compression ratio = 9.5:1

Two valves per cylinder

maximum output 31#160;PS (23#160;kW; 31#160;hp) (Subaru 700)

maximum output 37#160;PS (27#160;kW; 36#160;hp) at 6,400#160;rpm (M70, Mini Jumbo, Sherpa)

Used in the Subaru Rex and Sambar/700 (export only, 1982–1989)

Three Cylinder

The EF series engine is a liquid-cooled three-cylinder, four-stroke. with SOHC. It is not compliant with Japanese Government regulations concerning displacement of kei cars with a current maximum limit of 660#160;cc. The EF appeared while the EK was being replaced by the EN05.

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