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Motorcraft 2150 Carburetor. 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.
They use the standard Holley bolt pattern (same as Holley two barrels). [1] It was succeeded by the Motorcraft 2150 carburetor. Size is determined by the diameter of the venturi. This can be found cast into the float chamber side. It will be a number in a circle, with the number being the venturi size in inches.
So jets sized for full power tend to starve the engine at lower speed and part throttle. Most commonly this has been corrected by using multiple jets. In SU and other (e.g. Zenith-Stromberg) variable jet carburetors, it was corrected by varying the jet size. The orientation of the carburetor is a key design consideration.
This block is one of three displacements, 302/327/350, that underwent a crankshaft bearing diameter transformation for 1968 when the rod-journal size was increased from the 2 in (50.8 mm) diameter small-journal to a 2.1 in (53.3 mm) large-journal and a main-journal size that was increased from 2.3 in (58.4 mm) to 2.45 in (62.2 mm). DZ 302.
Holley Brothers Company advertisement for carburetors in the Automobile Trade Journal, 1916.. Holley's history starts in Bradford, Pennsylvania, in 1896 when teenage brothers George (1878–1963) and Earl Holley built a small, one-cylinder, three-wheeled vehicle they dubbed the "Runabout", with a top speed of 30 mph.
L-36: produced 1966–69, 10.25:1 compression, Holley or Q-jet carburetor, nodular iron crankshaft, hydraulic lifters, oval port closed chamber heads, and two-bolt main caps. It produced 385 hp (287 kW) in 1967–68 full-size cars, 390 hp (291 kW) in 1969 full-size cars and Corvettes (by exhaust system). [37]
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