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Autolite 4300A Carburetor. The Autolite 4300 was a four-barrel (four venturi) carburetor manufactured by Autolite in multiple variants from 1967 through 1974. Used by both Ford and AMC, it was produced as an emissions-compliant replacement for the previous Autolite 4100 model, and was superseded by the Motorcraft 4350.
Because of application and evolution, the same engine often has different power ratings. Ratings are in SAE gross horsepower. The front of an engine is the fan end, the rear is the flywheel end, right and left are as viewed from the rear, regardless of how the engine is mounted in the vehicle.
A carburetor (also spelled carburettor or carburetter) [1] [2] [3] is a device used by a gasoline internal combustion engine to control and mix air and fuel entering the engine. [4] Carburetors can be quite complex but the three primary methods of adding fuel to the intake air in the main metering circuit are through the pressure difference ...
It was succeeded by the Motorcraft 2150 carburetor. Flow rate is determined by the diameter of the venturi, which was cast into the float chamber side as a number within a circle representing the venturi size in inches: 0.98 - 190 cfm, 1.01 - 240 cfm, 1.02 - 245 cfm, 1.08 - 287 cfm, 1.14 - 300 cfm, 1.21 - 351 cfm, 1.23 - 356 cfm, 1.33 - 424 cfm [2]
The Motorcraft 2150 is a Ford (also used by AMC) 2-barrel carburetor manufactured from 1973 through 1983, [1] based heavily on its predecessor, the Autolite 2100 carburetor. The 2150 improved on the 2100s design through the introduction of a variable air bleed system, which keeps the air to fuel mixture better balanced throughout the carburetor ...
The engine can be mounted vertically as well as horizontally. [16] PD style carburetors are for inline and radial engines from 900 to 1900 cubic inches. [16] PT style carburetors are usually found on 1700 to 2600 cubic inch engines [16] PR style carburetors are used on 2600 to 4360 cubic inch engines [16]
These were arranged so that each cylinder of the engine had its own carburetor barrel. These carburetors found use in Maserati and Alfa Romeo racing cars. Twin updraft Weber carburetors fed superchargers on the 1938 Alfa Romeo 8C competition vehicles. [2] Fiat assumed control of the company in 1952 following Weber's disappearance in 1945.
In 1953 an advertisement in Life stated: "Rochester builds original equipment carburetors for Chevrolet starting with 1950, Oldsmobile from 1949 and Cadillac from 1951. Also, Rochester supplies replacement carburetors for Chevrolets from 1932." [7] Rochester also supplied Pontiac, while using the Power Jet name in the replacement market. [8]