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Chevrolet Inline-4 engine

Field	Value
image	1916 Chevrolet Model 490 runabout (6991084634).jpg
caption	171 cubic inch inline-4 engine of a 1916 Chevrolet 490 runabout
name	Chevrolet Inline-4
manufacturer
production
predecessor	Chevrolet T head I6
successor	Chevrolet Stovebolt engine
configuration	inline-4
bore	3+11/16 in
stroke
displacement
valvetrain	OHV 2 valves per cyl.
fueltype	Gasoline
oilsystem	Splash lubrication
coolingsystem	Water-cooled
power

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 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.

171

The 171 CID engine was the first and most common member of this family. It featured splash lubrication. For its last year (1928) it gained a revised carburetor, higher compression, aluminum pistons, and larger valves for a rating of 35 hp at 2,200 rpm. Because of increased weight of the slightly longer 1928 Chevrolet National Series AB performance failed to improve from the 1927 Chevrolet Series AA Capitol.

Applications:

1914–1916 Chevrolet Series H (24 hp)
1916–1917 Chevrolet 490 (24 hp)
1917 Chevrolet Series F (24 hp)
1918–1922 Chevrolet 490 (26 hp)
1923–1926 Chevrolet Superior (26 hp)
:(includes 1923 Series B, 1924 Series F, 1925 Series K, and 1926 Series V)
1927 Chevrolet Series AA Capitol (26 hp)
1928 Chevrolet Series AB National (35 hp)

224

The 224 CID engine, the larger engine in this family, was introduced in 1917 for the 1918 model year and used only in the Series FA and FB. It had the same bore as the 171, but a longer stroke of 5+1/4 in, giving it 37 hp at 2,000 rpm.

Applications:

1918 Chevrolet Series FA (37 hp)
1919-1922 Chevrolet Series FB (37 hp)
1921-1922 Oldsmobile Model 43A

References

Gunnell, pp. 10–12
Gunnell, pp. 12–13
Gunnell, p. 13
Gunnell, pp. 14–16
Gunnell, pp. 18–21
Gunnell, p. 22
Gunnell, p. 14
Gunnell, p. 15–16

Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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