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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 .
Engines with multiple banks are shorter than straight engines of the same size, and will often have better engine balance characteristics, resulting in reduced engine vibration and potentially higher maximum engine speeds. Most engines with four or less cylinders use a straight engine layout, and most engines with eight cylinders or more use a ...
The straight-eight engine or inline-eight engine (often abbreviated as I8) is an eight-cylinder internal combustion engine with all eight cylinders mounted in a straight line along the crankcase. The type has been produced in side-valve, IOE, overhead-valve, sleeve-valve, and overhead-cam configurations.
They used the expertise they had gained to start building production engines and cars which were renowned for their performance and luxury. Among the novel design features (for a pre-1940 production engine) seen on various Duesenberg engines are single- and double-overhead camshafts, three- and four-valve heads, superchargers and aluminum castings.
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.
[5] [6] While the prototype Straight Eight shown at the model's introduction had horizontal valves of the type used in earlier Duesenberg-designed marine and racing engines, [1] [13] the model that entered production had a shaft-driven [5] single overhead camshaft [1] [5] [6] which used rockers to operate two valves per cylinder [6] in a ...
The engine was fitted with a governor to allow the engine speed to be set somewhere between idling speed of 400 rpm and full power speed of 2,200 rpm, maintaining this speed against varying loads. The "belt hp" rating of the tractor was 23.9 hp although the tax rating of 20 hp gave the tractor its model number of TE20.
The first Y-block on Ford automobiles and F100 trucks was the 239 cu in (3,910 cc) version as released in 1954 with EBU casting numbers. The Y-block was the same displacement as the old Ford Flathead V8 that it replaced but with a bigger bore and a shorter stroke (3.5 x 3.1 in).