Editing Quadrajet (section)
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==Overview== The '''Quadrajet''' is a 4 barrel carburetor made by the Rochester Products Division of GM that was first used on the Chevrolet 396 Mark IV engine in 1965 then widely used on General Motors motor vehicles until 1990. Its last application was on the Oldsmobile 307 V8 engine, which was last used in the Cadillac Brougham and full size station wagons made by Chevrolet, Pontiac, Oldsmobile, and Buick. Not widely known, the Q-jet was used briefly by Ford on the 1971 429 Cobra Jet and was also used by Chrysler (Mopar) on their 360 truck engines in the '80s. The Quadrajet has been described as one of the best carburetors made for passenger vehicles, offering the best compromise of fuel economy, performance, driveability, and emissions control. [[File:Q-JET 750 TO 800 CFM VENTURI COMPARISON.jpg|thumb|300px|Comparison of 750 cfm and 800 cfm Q-jet primary venturi/throttle bores.]]
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