stovebolt horsepower

1929-1962
Chevrolet L-6 (straight/in-line 6) Overhead Valve Engines
the Stovebolt Six - the Cast-Iron Wonder
horsepower

most information was obtained from Shop Manuals
information for 181 was provided by Fred Nixon

1929-1962 Chevrolet L-6 (straight/in-line 6) Overhead Valve Engines the Stovebolt Six - the Cast-Iron Wonder `horsepower` most information was obtained from Shop Manuals information for 181 was provided by Fred Nixon
First Generation 1929-1936 Low-Pressure Oil (internal lubrication) System
Year	Truck & Pass	*horse power*	Truck	*horse power*	Pass	*horse power*
1929	194 c.i.	50 hp
1930	194 c.i.	50 hp
1931	194 c.i.	50 hp
1932	194 c.i.	60 hp
1933	194 c.i.	60 hp
1934	194 c.i.	80 hp			207 c.i.	56 hp
1935	194 c.i.	80 hp	181 c.i.	56 hp	207 c.i.	68.5 hp
1936	194 c.i.	80 hp	181 c.i.	60 hp	207 c.i.	79 hp
Second Generation 1937-1953 Low-Pressure Oil (internal lubrication) System
Year	Truck & Pass	*horse power*	Truck	*horse power*	Pass	*horse power*
1937	216 c.i.	85 hp
1938	216 c.i.	85 hp
1939	216 c.i.	85 hp
1940	216 c.i.	78/85 hp ??
1941	216 c.i.	90 hp	235 c.i.	93 hp
1942	216 c.i.	90 hp	235 c.i.	93 hp
1943	216 c.i.	90 hp	235 c.i.	93 hp
1944	216 c.i.	90 hp	235 c.i.	93 hp
1945	216 c.i.	90 hp	235 c.i.	93 hp
1946	216 c.i.	90 hp	235 c.i.	93 hp
1947	216 c.i.	90 hp	235 c.i.	93 hp
1948	216 c.i.	90 hp	235 c.i.	93 hp
1949	216 c.i.	90 hp	235 c.i.	93 hp
1950	216 c.i.	92 hp	235 c.i.	105 hp	235 c.i.	105 hp
1951	216 c.i.	92 hp	235 c.i.	105 hp	235 c.i.	105 hp
1952	216 c.i.	92 hp	235 c.i.	105 hp	235 c.i.	105 hp
1953	216 c.i.	92 hp	235 c.i.	108/123 hp ??	235 c.i.	108, 115, 150 hp Std, Powerglide, Corvette
Third Generation 1954-1962 High-Pressure Oil System (internal lubrication)
Year	Pass	*horse power*	Truck	*horse power*	Truck	*horse power*
1954	235 c.i.	115/125/150 hp	235 c.i.	112 hp	261 c.i.	135 hp
1955	235 c.i.	123/136/150 hp	235 c.i.	123 hp	261 c.i.	140 hp
1956	235 c.i.	140 hp	235 c.i.	140 hp	261 c.i.	148 hp
1957	235 c.i.	140 hp	235 c.i.	140 hp	261 c.i.	148 hp
1958	235 c.i.	145 hp	235 c.i.	145 hp	261 c.i.	150 hp
1959	235 c.i.	135 hp	235 c.i.	135 hp	261 c.i.	150 hp
1960	235 c.i.	135 hp	235 c.i.	135 hp	261 c.i.	150 hp
1961	235 c.i.	135 hp	235 c.i.	135 hp	261 c.i.	150 hp
1962	235 c.i.	135 hp	235 c.i.	135 hp	261 c.i.	150 hp