Willys Go Devil engine

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Go-Devil
ManufacturerWillys
TypeStraight-4
Bore3.125 in (79.4 mm)
Stroke4.375 in (111.1 mm)
Displacement134.22 CID (2199.53 cc)
Block alloyIron
Head alloyIron
ValvetrainL-head
Fuel system1-barrel carburetor
Fuel typeGasoline
Cooling systemWater-cooled
Power output60 hp (45 kW)
Specific power0.45 hp/CID
Torque output105 ft·lbf (142 N·m)
Compression ratio6.48:1

The Willys L134 (nicknamed Go Devil) was a straight-4 automobile engine made famous in the Jeep produced in World War II. The engine displaced 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 valves 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: