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A 'power valve', which is a spring-loaded valve in the carburetor that is held shut by engine vacuum, is often used to do so. As the airflow through the carburetor increases the reduced manifold vacuum pulls the power valve open, allowing more fuel into the main metering circuit.
The optional "Power Pack" M-code used a four barrel Holley carburetor and was rated at 182 bhp (136 kW) at 4,400 rpm. [ 9 ] In 1956 the U-code was updated to produce 173 bhp (129 kW) at 4,400 rpm and 260 lb⋅ft (353 N⋅m) at 2,400 rpm with a manual transmission behind it or 176 bhp (131 kW) at 4,400 rpm and 264 lb⋅ft (358 N⋅m) at 2,400 ...
"The carburetor they built for Ford was an immediate success and the brothers founded Holley Carburetor Co., which became one of Ford's biggest suppliers." [ 6 ] In 1913 George Holley made a tour of Germany to study manufacturing methods, accompanied by Henry M. Leland , when it was said that a Holley carburetor: "was on more than one-half of ...
Of the three types of carburetors used on large, high-performance aircraft engines manufactured in the United States during World War II, the Bendix-Stromberg pressure carburetor was the one most commonly found. The other two carburetor types were manufactured by Chandler Groves (later Holley Carburetor Company) and Chandler Evans Control ...
A stroke is the action of a piston travelling the full length of its cylinder.In a two-stroke engine, one of the two strokes combines primarily the intake stroke and the combustion stroke, while the other stroke primarily combines the compression stroke and the exhaust stroke, though technically since both ports are exposed during both the combustion and compression strokes, some reversion ...
In 1968, the engine had the chrome covers, but without the Chevrolet name, connected to a PCV valve and a chrome 14 in × 3 in (355.6 mm × 76.2 mm) drop-base open-element air cleaner assembly fitted with a crankcase breather on a 780 cu ft/min (22 m 3 /min) vacuum secondary Holley 4-Bbl carburetor. 1969 Corvette and 1970 Z/28 engines were also ...