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An overhead valve engine, abbreviated (OHV) and sometimes called a pushrod engine, is a piston engine whose valves are located in the cylinder head above the combustion chamber. This contrasts with flathead (or "sidevalve") engines , where the valves were located below the combustion chamber in the engine block .
The Y-block engine is a family of small block overhead valve V8 automobile engines produced by Ford Motor Company.The engine is well known and named for its deep skirting, which causes the engine block to resemble a Y.
A 215 cu in (3.5 L) overhead valve straight-6 was produced in 1964 and 1965 but was not an original Pontiac design. Sometimes confused with the Buick designed and built 215 cu in (3.5 L) aluminum V8 that Pontiac had used in the two years prior, the "Pontiac 215" was an adaptation of Chevrolet's 194 cu.in. inline 6 currently produced and the new ...
In the United States, the flathead V8 was replaced by the more modern overhead-valve Ford Y-block engine in 1954. During World War II, the engine was used on the first prototype of the Romanian Mareșal tank destroyer, but was considered too weak and thus replaced by more powerful engines for later versions of the vehicle. [7]
Higher compression, larger intake valves, a Holley four-barrel, improved intake and exhaust, and a more aggressive camshaft, the next year increased it all the way to 205 hp (153 kW). [3] The engine was unchanged in 1954 except for the vacuum advance mechanism. [3] These engines used hydraulic valve lifters while Ford truck engines used solid.
The engine is a two-cylinder, 45 degree, pushrod actuated overhead valve V-twin engine with two valves per cylinder. It was the third basic type of V-Twin engine used by Harley-Davidson, replacing the Flathead-engined VL model in 1936 as HD's top-of-the-line model. The engine was manufactured until 1947 and was replaced by the Panhead engine in ...
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.
The Buick straight 6 was an overhead valve (OHV) straight-six cylinder automobile engine manufactured by Buick from 1914 to 1930. Produced in displacements from 191 to 331 cu in (3.1 to 5.4 L), it was initially used exclusively in the Buick Six platform, later in the Buick Master Six and Buick Standard Six.
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