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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 .
Retrieved from "https://en.wikipedia.org/w/index.php?title=Pushrod_engine&oldid=654517059"This page was last edited on 1 April 2015, at 17:05 (UTC) (UTC)
To oversee the new project, Packard hired Allison Engine Company's Robert M. Williams as their chief design engineer at the Toledo facility in July of that year. In early 1945 the Power Plant Lab at Wright Field asked Packard to take on a research project to develop an expendable jet engine of 4,000 lbf (18,000 N), weighing no more than 1,000 ...
Also pushrod engines almost always make less power and torque from a given displacement, compare just about any engine you can find: BMW M3 - 81.875 ft-lb/l, LS7 - 67 ft-lb/l. Also compare the output of the OHC Ford engines to the GM pushrod engines, the Fords have higher torque output for a given displacement.
The firm was the successor to the firm of Owens, Ebert & Dyer (founded in 1845 by Job E. Owens) which went into receivership in 1876. [1]In 1882, George A. Rentschler, J. C. Hooven, Henry C. Sohn, George H. Helvey, and James E. Campbell merged the firm with the iron works of Sohn and Rentschler, [1] [2] and adopted the name Hooven, Owens, Rentschler Co.
The factory opened in 1957 as the site of production of Ford's MEL V8 for the Edsel car.. It subsequently produced six-cylinder engines (the 170/200/250 family), the 385-series 370/429/460 big-block V8 engines, and the 2.3/2.5 L HSC/HSO pushrod four-cylinder engines for the Ford Tempo, Mercury Topaz, and Ford Taurus.
Pushrods are long, slender metal rods that are used in overhead valve engines to transfer motion from the camshaft (located in the engine block) to the valves (located in the cylinder head). The bottom end of a pushrod is fitted with a lifter, upon which the camshaft makes contact. The camshaft lobe moves the lifter upwards, which moves the ...
A 1964 Rambler American with a 195.6 OHV engine. American Motors' first straight-six engine was the 196 cubic inch (195.6 cu in (3.2 L)) six produced from 1952 through 1965, initially as a flathead (L-head) side-valve, and later an overhead valve (OHV) version.