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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.
For the 1990 season, all teams using the Ilmor Chevy Indy V8 were provided a redesigned Gen-3 system and it won 15 poles, 16 wins including the 1990 Indianapolis 500, with 17 races in the IndyCar World Series. To prove the system, the components were used with GM engines in the Trans-Am Racing series during 1989.
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.
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 ...
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.
In addition to GM's active fuel management, start-stop system, and variable valve timing, which are already featured on GM's other full-size pickup truck engines, this engine also features GM's Intake Valve Lift Control which has 3 different intake cam profiles that are electromagnetically actuated to provide improved fuel economy and ...
[vague] The system is an electronic system that requires no scheduled maintenance, provides up to 35,000 volts to fire the spark plugs and increase spark plug life, especially when unleaded fuel is used. The HEI system has 40% more voltage output and 85% higher energy level than conventional breaker point systems to fire lean fuel mixtures even ...
In 2018 GM introduced an improved system called Dynamic Fuel Management [16] that shuts off any number of cylinders, in a variety of combinations, depending on immediate needs. The system is based on Dynamic Skip Fire, [ 17 ] a technology developed by California company Tula Technology [ 18 ] and the 6.2L engine incorporating it was named one ...