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• Ohv
  ...er head]] containing two [[overhead camshaft]]s, one above each of the two valves]] ...rnal combustion engine]] is one in which the entry and exit [[poppet valve|valves]] and ports are contained in the [[cylinder head]].
  1 KB (146 words) - 09:59, 27 September 2009
• Cylinder head
  ...g|thumb|200px|The cylinder head from a [[GMC]] [[van]]. The [[poppet valve|valves]] and part of the exhaust [[manifold (automotive engineering)|manifold]] ar ...coming air to negotiate a convoluted path, which limits the ability of the engine to perform at higher [[Revolutions per minute|rpm]], leading to the adoptio
  3 KB (415 words) - 23:56, 20 September 2009
• DOHC
  ...hows two overhead camshafts—one above each of the two [[poppet valve|valves]].]] ...valves. In engines with more than one [[cylinder bank]], such as the [[V engine]], this designation means two camshafts ''per bank''.
  3 KB (410 words) - 14:33, 24 September 2009
• Flathead engine
  [[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.
  3 KB (479 words) - 22:45, 8 September 2009
• Ohc
  ...inder head]]s, above the combustion chambers, and drive the [[poppet valve|valves]] or [[lifter]]s directly instead of using [[pushrod]]s. ...]] to improve efficiency and power. OHC also inherently allows for greater engine speeds over comparable cam-in-block designs.
  4 KB (549 words) - 18:19, 17 July 2009
• Valvetrain
  [[Image:Engine movingparts.jpg|right|250px|thumb|'''Diagram of an engine''']] ...d to described the mechanisms and parts which control the operation of the valves.
  3 KB (501 words) - 00:38, 3 December 2009
• Camshaft
  ...|right|250px|[[Poppet valve|Valve]] timing [[gear]]s on a [[Ford Taunus V4 engine]] — the small gear is on the [[crankshaft]], the larger gear is on th ...or ''[[cam]]s'' protruding from it, one for each valve. The cams force the valves open by pressing on the valve, or on some intermediate mechanism, as they r
  4 KB (658 words) - 19:44, 31 March 2009
• Lancia V4 engine
  [[Lancia]] pioneered the [[V engine]] design, producing the first [[V6]] as well as the first [[V4]]s. Several The Lambda engine was updated for the [[Lancia Artena|Artena]]. Bore was set at 82.55 m
  4 KB (612 words) - 16:37, 13 June 2009
• Overhead cam
  ...hows two overhead camshafts—one above each of the two [[poppet valve|valves]].]] ...r head]]s, above the [[combustion chamber]]s, and drive the [[poppet valve|valves]] or [[lifter]]s in a more direct manner, when compared with [[Overhead val
  6 KB (952 words) - 17:33, 7 August 2009
• Taura
  ...valve distribution and a motorcycle with a 350 cc engine with distribution valves in the head. The same year they constructed an interesting motor tricycle f
  1 KB (161 words) - 13:21, 26 June 2009
• Bugatti Type 18
  ...ve|3 valves per cylinder]] and a [[single overhead cam]]shaft. This large engine had a 100 mm bore and very long 160 mm stroke, so it could only r
  1 KB (153 words) - 11:18, 14 June 2009
• Bugatti Type 50
  ...verhead cam]]shaft. Power was reported at 140 hp (104 kW). The engine was [[undersquare]] like most Bugatti designs with a 81 mm bore and 13 ...maller 5.0 L (4972 cc/303 in³) version of the engine. This engine had squarer dimensions, however, at 86 by 107 mm, and power output was
  2 KB (335 words) - 11:17, 14 June 2009
• Fully Integrated Robotised Engine
  ...Robogate") to reduce costs. The FIRE series replaced the old Fiat [[OHV]] engine in the mid-[[1980s]]. ...ersions from 999 cc to 1372 cc with both 8- and [[multi-valve|16-valves]].
  831 bytes (122 words) - 08:13, 8 October 2009
• Pushrod
  [[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
  8 KB (1,302 words) - 08:11, 14 June 2009
• Patriarca
  ...ch applies to the frame of any bike. Adopting a mixing system with quite [[valves]] and original lights, ignition took place by means of [[coils]] and [[batt ...n in 1951. The engine was a single cylinder four-stroke vertical of 248 cc engine with a power of about 14 HP. It was an interesting machine, but was never p
  2 KB (244 words) - 07:54, 26 June 2009
• Overhead camshaft
  ...inder head]]s, above the combustion chambers, and drive the [[poppet valve|valves]] or [[lifter]]s directly instead of using [[pushrod]]s. This arrangement i ...]] to improve efficiency and power. OHC also inherently allows for greater engine speeds over comparable cam-in-block designs.
  5 KB (694 words) - 08:50, 8 October 2009
• Focesi
  .... For the 1954 exhibition in [[Milan]] they introduced a two-stroke 160 cc engine, with a swinging arms front fork called the ''Earles''. All the activity of
  1 KB (163 words) - 22:09, 27 July 2009
• Long block
  '''Long block''' is an [[automotive]] term describing an [[engine]] sub-assembly consisting of the following: ...ation. Complete cylinder heads include new or reconditioned [[poppet valve|valves]], valve springs, valve guides (if applicable), valve seats (if applicable)
  876 bytes (131 words) - 08:51, 8 October 2009

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