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[[image:flathead.jpg|thumb|right|Ford flathead V8 engine, modified for power, depicted on cover of Hot Rod magazine. The "flat head" ...as in an overhead valve or [[OHV]] engine. The design was common on early engine designs, but has since fallen from use.

[[Image:1933 Bugatti Type 59 Grand Prix engine.jpg|right|thumb|350px|1933 [[Bugatti]] [[DOHC]] straight-8 in a [[Bugatti T [[Image:Straight8.jpg|thumb|350px|1940s [[Oldsmobile Straight-8 engine]]]]

...]] of [[Chrysler|Chrysler Corporation]], though they were neither the hemi engine's inventors nor the first to commercialize hemi engines. [[Image:1903 premier.jpg|thumb|250px|right|The 1903 Premier engine had a gear-driven [[SOHC#Single overhead camshaft|overhead cam]], roller ca

...n a [[straight engine]] or directly above the crankshaft in the V of a [[V engine]]. This contrasts with an [[overhead camshaft]] (OHC) design which places t ...displacement]]. In [[1949]], [[Oldsmobile]] introduced the [[Oldsmobile V8 engine|Rocket V8]]. It was the first high-compression cam-in-block design, and is

[[Image:pushrod engine.jpg|thumb|Picture of a [[V8]] [[engine block]] (with [[intake manifold]] removed), showing the camshaft, pushrods, ...uate the [[poppet valve|valves]]. Lifters or ''[[tappet]]s'' reside in the engine block between the camshaft and pushrods. The later [[overhead cam|overhead

...lowers" later became a "household" name for roots-style blowers for the V8-engine market. These bigger units for US-cars are now reproduced in the State

[[Image:Aero4G11.jpg|thumb|250px|The Liberty V8 aircraft engine clearly shows the configuration]] A '''V8''' engine is a [[V engine]] with eight [[cylinder]]s.

...n a [[straight engine]] or directly above the crankshaft in the V of a [[V engine]]. This contrasts with an [[overhead camshaft]] (OHC) design which places t ...displacement]]. In [[1949]], [[Oldsmobile]] introduced the [[Oldsmobile V8 engine|Rocket V8]]. It was the first high-compression cam-in-block design, and is

Also see '''[[Pushrod engine]]''' ...n a [[straight engine]] or directly above the crankshaft in the V of a [[V engine]]. This contrasts with an [[overhead camshaft]] (OHC) design which places t

...s]]), lowering it, modifying, [[Engine tuning|tuning]], or replacing the [[engine]] to give more power, and changing the [[wheel]]s and [[tire]]s to improve ...of their compact size, availability, and power. The early [[Chrysler Hemi engine|Hemi]] was popular in applications that required more power, such as [[drag

...although that date is disputed. [[Fuel gas]]-powered [[internal combustion engine]]s first appeared in 1806, while 1885 marked the introduction of gasoline-f ...orwagen]], the first car to go into production with an internal combustion engine]]