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It allows a V6 or V8 engine to "turn off" half of the cylinders under light-load conditions to improve fuel economy. Estimated performance on EPA tests shows a 5.5–7.5% improvement in fuel economy. [1] GM's Active Fuel Management [2] technology used a solenoid to deactivate the lifters on selected cylinders of a pushrod V-layout engine.
The ALDL communications link was originally developed at the General Motors Emissions Control Systems Project Center located at GM's Milford, Michigan Proving ground. The center was responsible for coordinating all divisional and staff design, testing and development activities of the emission control system for GM USA passenger vehicles ...
Chevrolet, GMC, Cadillac, and Buick Components - Engine management systems, fuel injection systems, and related products. 1939 Located at 1000 Lexington Avenue. Founded in 1908 as the Rochester Coil Company. Acquired by GM in 1929. Became the Rochester Products Division of GM.
Fuel-management systems are used to maintain, control and monitor fuel consumption and stock in any type of industry that uses transport, including rail, road, water and air, as a means of business. Fuel-management systems are designed to effectively measure and manage the use of fuel within the transportation and construction industries.
The EEC-II controlled air-fuel ratio via Ford's model 7200 Variable Venturi (VV) Carburetor, the last carburetor designed and built by Ford US. In it, the air-fuel ratio was controlled by a stepper motor that operated a rack which moved a pintle that opened and closed the float bowl vent. When closed, no air could enter the bowl, causing the ...
Rochester Ramjet system installed on a 1957 Chevrolet 210. The Rochester Ramjet is an automotive fuel injection system developed by the Rochester Products Division of General Motors and first offered as a high-performance option on the Corvette and GM passenger cars in 1957.
GM Components Holdings is an automotive components producer and distributor based in the United States. It is a subsidiary of General Motors . GMCH was created in 2009 as a result of the bankruptcy filings of both Delphi Corporation and General Motors.
The ML 2.1 system integrates an advanced engine management with 2 knock sensors, provision for adaptive fuel & timing adjustment, purge canister control, precision sequential fuel control and diagnostics (pre OBD-1). Fuel enrichment during cold-start is achieved by altering the timing of the main injectors based on engine temperature.