Quadrajet
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The Quadrajet has been described as one of the best carburetors made for passenger vehicles, offering the best compromise of [[Fuel economy in automobiles|fuel economy]], performance, driveability, and [[automobile emissions control]].{{Fact|date=July 2007}} | The Quadrajet has been described as one of the best carburetors made for passenger vehicles, offering the best compromise of [[Fuel economy in automobiles|fuel economy]], performance, driveability, and [[automobile emissions control]].{{Fact|date=July 2007}} | ||
| − | + | [[File:Q-JET 750 TO 800 CFM VENTURI COMPARISON.jpg|thumb|100px|Comparison of 750 cfm and 800 cfm Q-jet primary venturi/throttle bores.]] | |
==Basic design== | ==Basic design== | ||
The Quadrajet is a "spread bore" carburetor; the primary [[venturi]]s are much smaller than the secondary venturis, and the center to center spacing of the throttle bores are different, primary to secondary. By comparison, a "square bore" carburetor may have primary and secondary venturis of similar if not exactly the same size and the center to center spacing of the primaries and secondaries are the same, thus the name "squarebore". | The Quadrajet is a "spread bore" carburetor; the primary [[venturi]]s are much smaller than the secondary venturis, and the center to center spacing of the throttle bores are different, primary to secondary. By comparison, a "square bore" carburetor may have primary and secondary venturis of similar if not exactly the same size and the center to center spacing of the primaries and secondaries are the same, thus the name "squarebore". | ||
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