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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.
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
In an overhead valve (OHV) or overhead camshaft (OHC) engine, the cylinder head contains several airflow passages called ports; intake ports deliver the fuel+air intake charge from the intake manifold to the combustion chamber, and exhaust ports route combustion waste gases out the combustion chamber to the exhaust manifold.
OHC cylinder head (for a 1987 Honda D15A3 engine) An overhead camshaft (OHC) engine is a piston engine in which the camshaft is located in the cylinder head above the combustion chamber. [1] [2] This contrasts with earlier overhead valve engines (OHV), where the camshaft is located below the combustion chamber in the engine block. [3]
Cutaway of a dual overhead camshaft engine 1969 AMC V8 overhead valve engine. The rocker cover has been removed, so the pushrods, rocker arms, valve springs, and valves are visible. A valvetrain is a mechanical system that controls the operation of the intake and exhaust valves in an internal combustion engine. [1]
The first Gen V LT engine was the LT1, ... LT5, however, has increased its displacement from 5.7 to 6.2L (350 to 376 cu in), retains the Gen V OHV valvetrain, and is ...
Yale IOE engine from 1911. The intake/inlet over exhaust, or "IOE" engine, known in the US as F-head, is a four-stroke internal combustion engine whose valvetrain comprises OHV inlet valves within the cylinder head and exhaust side-valves within the engine block.