Search results
Results from the WOW.Com Content Network
The choke provision for the Quadrajet was initially in the form of an intake-mounted, heat sensitive spring, (divorced choke), often referred to as a heat riser. The spring connected to a rod that actuated the choke mechanism on the passenger's side of the carburetor, and relied on intake manifold's temperature.
Another method used by carburetors to improve the operation of a cold engine is a fast idle cam, which is connected to the choke and prevents the throttle from closing fully while the choke is in operation. The resulting increase in idle speed provides a more stable idle for a cold engine (by better atomizing the cold fuel) and helps the engine ...
In 1937 Rochester Products was founded, planned as a second plant for Delco Appliance, but achieving Division status by 1939. [6] In 1953 an advertisement in Life stated: "Rochester builds original equipment carburetors for Chevrolet starting with 1950, Oldsmobile from 1949 and Cadillac
They were identical to Rochester's units, except the Carter name was stamped into the body. In Carter's final years in the early 1980s, they also produced Weber carburetors under license, such as the three-barrel Type 40IDA sold as replacements (or fuel injection retrofits) for 1960s and 1970s Porsche 911 S.
A choke is designed to alter or shape the distribution of the shot as it leaves the firearm. For shooting most game birds and clay pigeons, a desirable pattern is one that is as large as possible while being dense enough to ensure multiple hits on the target, at a particular range. The choke should be tailored to the range and size of the targets.
Choke valves are important for naturally-aspirated gasoline engines because small droplets of gasoline do not evaporate well within a cold engine. By restricting the flow of air into the throat of the carburetor, the choke valve reduces the pressure inside the throat, which causes a proportionally greater amount of fuel to be pushed from the ...
It always featured the 4A 83cc heads with 8:1 compression, and a Rochester Quadrajet 4-barrel carburettor. The 403 Oldsmobile was generally painted "Corporate GM Blue" on every model line it was equipped in. The Olds 403 was used by Buick and Pontiac in addition to Oldsmobile until its discontinuation after 1979.
William Rochester Pape (1831–1923) was an English gunsmith who is often credited with inventing and patenting the choke boring system for shotguns, [1] [2] [3] which W. W. Greener went on to develop. He also patented several extractors, and invented draught excluders for railway carriage doors and windows. [4]