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SOHC design (for a 1973 Triumph Dolomite Sprint) . The oldest configuration of overhead camshaft engine is the single overhead camshaft (SOHC) design. [1] A SOHC engine has one camshaft per bank of cylinders, therefore a straight engine has a total of one camshaft and a V engine or flat engine has a total of two camshafts (one for each cylinder bank).
A single overhead camshaft (SOHC) design was introduced by Pontiac in the 1966 model year as the standard engine in the Tempest. Offered also in 1967, the 230 cu in (3.8 L) OHC 6 shared internal dimensions with the overhead valve Chevrolet straight-6 engine it was based on, [citation needed] but had unique cast iron block and head castings ...
The 3.5 L; 214.7 cu in (3,518 cc) engine was a version of the 3.3 with a larger bore of 96 mm (3.78 in) and featured overhead cams. The 3.5L version has an intake arrangement with two separate manifolds and throttle bodies connected with a crossover valve. This provides better low and midrange torque.
Designed by Aurelio Lampredi, the Fiat SOHC engine first appeared in the front-wheel drive (FWD) Fiat 128 of 1969. [1] The in-line four-cylinder engine comprised an iron block with an aluminium cylinder-head containing a single overhead camshaft operating directly on both the inlet and exhaust valves in a reverse-flow cylinder-head configuration.
The EJ series was the mainstay of Subaru's engine line, with all engines of this series being 16-valve horizontal flat-fours, with configurations available for single, or double-overhead camshaft arrangements (SOHC or DOHC). Naturally aspirated and turbocharged versions are available, ranging from 96 to 310 hp (72 to 231 kW; 97 to 314 PS).
As engine speeds increased through the 20th century, single overhead camshaft (SOHC) engines— where the camshaft is located within the cylinder head near the top of the engine— became increasingly common, followed by double overhead camshaft (DOHC) engines in more recent years. For OHC and DOHC engines, the camshaft operates the valve ...
The single overhead cam design was combined with hemispheric combustion chambers. [3] Mass production of the new engine began in 1962. The Jeep Tornado engine was introduced in the Willys Jeep Wagon and truck models. [4] Six-cylinder versions built after 3 May 1962, received the 230 OHC "Tornado" engine, replacing the 226 L-head "Super ...
The Ford single overhead cam (SOHC) 427 V8 engine, familiarly known as the "Cammer", [25] was released in 1964 in an effort to maintain NASCAR dominance by seeking to counter the enormously large block Chrysler 426 Hemi "elephant" engine.