Willys Go Devil engine

Go Devil
Overview
ManufacturerWillys-Overland
Layout
ConfigurationStraight-4
Displacement134.2 cu in (2.199 L)
Cylinder bore3.125 in (79.4 mm)
Piston stroke4.375 in (111.1 mm)
Cylinder block materialIron
Cylinder head materialIron
ValvetrainL-head
Compression ratio6.48:1
Combustion
Fuel system1-barrel carburetor
Fuel typeGasoline
Cooling systemWater-cooled
Output
Power output60 hp (45 kW; 61 PS)
Specific power0.42 hp/CID
Torque output105 lb⋅ft (142 N⋅m)
Chronology
SuccessorWillys Hurricane engine

The Willys L134 (nicknamed Go Devil) is a straight-4 flathead automobile engine that was made famous in the Willys MB and Ford GPW Jeep produced during World War II. It powered nearly all the Jeep vehicles built for the U.S. and Allies.[1] It was later used in a variety of civilian Jeep vehicles.

  1. ^ "Willys-Overland Jeep advertisement". Life. Vol. 14, no. 7. 15 February 1943. p. 13. Retrieved 23 November 2014.