Chevrolet Inline-4 engine

The Chevrolet Inline-4 engine was one of Chevrolet's first automobile engines, designed by Arthur Mason and introduced in 1913. Chevrolet founder Billy Durant, who previously had owned Buick which had pioneered the overhead valve engine, used the same basic engine design for Chevrolet: exposed pushrods and rocker arms which actuated valves in the detachable crossflow cylinder head. This was referred to this as a "valve-in-head" design, and it drew considerable publicity in a time when most rivals were flatheads. It was produced through 1928 when it was replaced by the Chevrolet Stovebolt engine.

Chevrolet Inline-4
171 cubic inch inline-4 engine of a 1916 Chevrolet 490 runabout
Overview
Manufacturer
Production
  • 171 cu in: 1913–1928
  • 224 cu in: 1917–1922
Layout
Configurationinline-4
Displacement
  • 171 cu in (2.80 L)
  • 224 cu in (3.67 L)
Cylinder bore3+11⁄16 in (94 mm)
Piston stroke
  • 171 cu in: 4 in (102 mm)
  • 224 cu in: 5+1⁄4 in (133 mm)
ValvetrainOHV 2 valves per cyl.
Combustion
Fuel typeGasoline
Oil systemSplash lubrication
Cooling systemWater-cooled
Output
Power output
  • 171 cu in: 24–35 hp (18–26 kW), depending on version
  • 224 cu in: 37 hp (28 kW)
Chronology
PredecessorChevrolet T head I6
SuccessorChevrolet Stovebolt engine

Chevrolet would not use another four cylinder engine until 1961 and the introduction of the straight-6-derived Chevrolet 153 4-cylinder engine that was installed in the Chevy II. For other, more modern Chevrolet four-cylinder engines see the list of GM engines.

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