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Go-Devil

Automotive industry	Willys
Type	Straight-4
Bore	3.125 in (79.4 mm)
Stroke	4.375 in (111.1 mm)
Engine displacement	134.22 Cubic inch (2199.53 cc)
Block alloy	Iron
Head alloy	Iron
Valvetrain	L-head
Fuel system	1-barrel Carburetor
Fuel type	Gasoline
Engine cooling	Water-cooled
Power output	60 Horsepower (45 Kilowatt)
Specific power	0.45 hp/CID
Torque output	105 ft·lbf (142 N·m)
Compression ratio	6.48:1

The Willys L134 (nicknamed Go Devil) was a Straight-4 automobile engine made famous in the Willys MB produced in World War II. The engine Engine displacement 134.22 cubic inches (2,199 cc) with a 3.125 in (79.4 mm) bore and 4.375 in (111.1 mm) stroke. It is most likely the most Undersquare engine ever built. It was an L-head design, with Poppet valve parallel to the cylinders. Initial power output was 60 hp (46 kW) at 4000 rpm and 105 ft·lbf (142 N·m) at 2000 rpm with 6.48:1 compression.

The L134 was phased out by the F-head Willys Hurricane engine beginning in 1950.

Applications:

• 1937-1942 Willys Americar
• 1941–1945 Willys MB
• 1944-1945 Jeep CJ-2
• 1945-1949 Jeep CJ-2A
• 1949-1953 Jeep CJ-3A
• 1948-1950 Willys Jeepster
• 1950-1955 Willys M38 Military