Fuel injection
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Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector. This article focuses on fuel injection in reciprocating piston and Wankel rotary engines.
A cutaway model of a petrol direct-injected engine
Air-blast injection system for an 1898 diesel engine
Mechanical port injection system on a 1906 Antoinette 8V engine
1950s Rochester Ramjet mechanical port injection system (on a Chevrolet 283 engine)
Carburetor
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A carburetor is a device used by a gasoline internal combustion engine to control and mix air and fuel entering the engine. The primary method of adding fuel to the intake air is through the Venturi tube in the main metering circuit, though various other components are also used to provide extra fuel or air in specific circumstances.
Two-barrel downdraft Holley 2280 carburetor
1979 Evinrude Type I side draft carburetor
Nomenclature for a single-barrel carburetor
Holley "Visi-Flo" model #1904 carburetors from the 1950s, factory equipped with transparent glass bowls