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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 .
An off-road vehicle (ORV) also referred to as an off-highway vehicle (OHV), overland vehicle, or adventure vehicle, is any vehicle designed to drive on non-paved roads and surfaces, [1] such as trails and forest roads, that have rough, uneven, and low-traction surfaces.
The Opel OHV family (also known as the Kadett engine and Viva engine after its most famous applications) is a pushrod inline-four engine. It was the first all-new engine developed by Opel of Germany after World War II and was released in 1962. Versions were in use through 1993.
Mazda's strength since the 1960s has been in its line of Inline-4 engines. Beginning with a tiny 358 cc kei car engine, one of the smallest ever made, Mazda continues to this day to be a leading developer of this type of engine. OHV engine – 358 cc–1.2 L OHV I4 (1961–1974) xC engine – 1.0 L–2.0 L SOHC I4 (1965–1983)
OHV may refer to: . Overhead valve engine; Off-highway vehicle, aka off-road vehicle; Off-roading; California State Parks, Off-Highway Motor Vehicle Recreation Division; El Mirage Off-Highway Vehicle Recreation Area at El Mirage Lake
A single camshaft located in the engine block uses pushrods and rocker arms to actuate all the valves. OHV engines are typically more compact than equivalent OHC engines, and fewer parts mean cheaper production, but they have largely been replaced by OHC designs, except in some American V8 engines.
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).
Typical airflow in a four-stroke engine: In stroke #1, the pistons suck in (aspirate) air to the combustion chamber through the opened inlet valve.. A naturally aspirated engine, also known as a normally aspirated engine, and abbreviated to N/A or NA, is an internal combustion engine in which air intake depends solely on atmospheric pressure and does not have forced induction through a ...