Willys Go Devil engine

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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 in³ (2.2 L) 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 63 hp (46 kW) at 4000 rpm and 105 ft·lbf (142 N·m) 2000 rpm with 6.48:1 compression.

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

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