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The Quadrajet is a four barrel carburetor, made by the Rochester Products Division of General Motors. Its first application was the new-for-1965 Chevy 396ci engine . Its last application was on the 1990 Oldsmobile 307 V8 engine, which was last used in the Cadillac Brougham and full size station wagons made by Chevrolet , Pontiac , Oldsmobile ...
In SU and other (e.g. Zenith-Stromberg) variable jet carburetors, it was mainly controlled by varying the jet size. The orientation of the carburetor is a key design consideration. Older engines used updraft carburetors, where the air enters from below the carburetor and exits through the top.
The Quadrajet became computer controlled in 1980 in California and in 1981 in the rest of the states; its last application was on the 1990 Cadillac Brougham and 1990 full size GM station wagons with the Olds 307 engine. [citation needed] RPD was a pioneer in fuel injection systems in road cars in the 1980s.
There are eight different sizes ranging from 190 cfm to 424 cfm. They are available with manual, electric, or automatic hot-air chokes. They incorporate a feature called Annular Fuel Discharge, which greatly reduces the likely-hood of hesitation and flat spots under acceleration.
The 1971 Pontiac 455 HO was Pontiac's first engine to receive a special 800 cu ft/min (23 m 3 /min) Rochester Quadra-jet carburetor with specific jetting. The 1971 455 HO was rated at 335 hp (250 kW) at 4,800 rpm and 480 lb⋅ft (651 N⋅m) of torque at 3,200 rpm .
The 1973–1974 L82 was a "performance" version of the 350 that still used the casting number 624 76cc chamber "2.02" heads but with a Rochester Quadra-jet 4bbl carburetor and dual-plane aluminum intake manifold, the earlier L46 350 hp (261 kW) 350 hydraulic-lifter cam, and 9.0:1 compression forged-aluminum pistons producing 250 hp (186 kW ...
Whether or not House Speaker Johnson and his colleagues can find a way out of this standoff, the economic costs also could already be real in the world of credit ratings.
The Carter Carburetor Company was an American manufacturer of carburetors, primarily for the automobile industry. It was established in St. Louis , Missouri, in 1909 and ceased operation in 1985. Founder William Carter started experimenting with automotive carburetors while running a successful bicycle shop.