Information on Chevy 2 Nova Six Cylinder Engines

The Chevy II Nova was a mid-sized economy car introduced by the Chevrolet Division of General Motors in 1962. By 1965 the Nova was developed into a V8 powered muscle car. Throughout its production the Chevy II Nova was available with a fuel-efficient six-cylinder engine.

194 Hi-Thrift
The 1962 Chevy II Nova used a Hi-Thrift in-line six-cylinder engine with wedge shaped combustion chambers. It displaced 194.37 cubic-inches and produced 120 horsepower with 177 ft-lbs of torque. The motor ran on regular gasoline and used a single-barrel Rochester carburetor. It was descended from the stovebolt 194, GM's first straight-six engine introduced in 1929.
230 Turbo-Thrift
By 1964 the Chevy II Nova was available with a 230 cubic-inch Turbo-Thrift straight-six engine. The overhead valve motor had a cast iron alloy block with hydraulic valve lifters. GM developed the engine from the earlier 235 six-cylinder by decreasing its stroke to 3.25 inches. The 230 generated 140 horsepower with 220 ft-lbs of torque.
250 Turbo-Thrift
By 1969, Chevy Novas could be bought with a Turbo-Thrift 250 cubic-inch straight six engine. The third-generation engine was naturally aspirated and used a Rochester downdraft one-barrel carburetor. It produced 145 horsepower with 230 ft-lbs of torque. The crankshaft rode on seven main-bearings. The engine had a distributor and coil ignition system.