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  2. Secondary air injection - Wikipedia

    en.wikipedia.org/wiki/Secondary_air_injection

    Air injection can also be achieved by taking advantage of the negative pressure pulses in the exhaust system at engine idle. A sensitive reed valve assembly called the aspirator valve is placed in the air injection pumping, which draws its air directly from the clean side of the air filter. During engine idle, brief but periodic negative ...

  3. Staged combustion - Wikipedia

    en.wikipedia.org/wiki/Staged_combustion

    The secondary (10-30%) combustion air is injected above the combustion zone through a special wind-box with air-introducing ports and/or nozzles, which are mounted above the burners. Combustion is completed at this increased flame volume. Hence, the relatively low-temperature secondary stage limits the production of thermal NO x. The location ...

  4. General Motors 60° V6 engine - Wikipedia

    en.wikipedia.org/wiki/General_Motors_60°_V6_engine

    It still had an iron block, two-valve pushrod aluminum heads, and full sequential port fuel injection. The LG8 also featured a new intake manifold and numerous changes to improve parts-sharing with the larger-displacement LA1 3400. Emissions were improved with secondary air injection and it earned LEV status. The engine featured a 89 mm (3.5 in ...

  5. AMC computerized engine control - Wikipedia

    en.wikipedia.org/wiki/AMC_Computerized_Engine...

    Starting with the 1986 model year, the AMC straight-4 engines used a throttle body injection (TBI) or single-point, fuel injection system with a new fully computerized engine control. [3] In addition to cycling the fuel injector (pulse-width time, on–off), the engine control computer also determined the ignition timing, idle speed, exhaust ...

  6. TPI Specialties - Wikipedia

    en.wikipedia.org/wiki/TPI_Specialties

    TPI Specialties was founded by Myron Cottrell, a professional engine builder, who had bought a new Chevrolet Corvette in 1985 and was intrigued by the potential for improvement in its Tuned Port Injection fuel injection system.

  7. Digifant engine management system - Wikipedia

    en.wikipedia.org/wiki/Digifant_Engine_Management...

    Digifant is an Engine Management System operated by an Engine Control Unit that actuates outputs, such as fuel injection and ignition systems, using information derived from sensor inputs, such as engine speed, exhaust oxygen and intake air flow. [1] Digifant was designed by Volkswagen Group, in cooperation with Robert Bosch GmbH.

  8. List of General Motors factories - Wikipedia

    en.wikipedia.org/wiki/List_of_General_Motors...

    Throttle Body Fuel Injection Systems: 1981: 1993: Formerly a Zenith Radio Factory. AC Rochester: Wichita Falls, Texas: United States: AC Air Filters: 1972: 2008: Transferred to Delphi Automotive Systems in 1999. Closed by Delphi in 2008. ACDelco: Flint, Michigan: United States: AC Spark Plugs: 1912: 1976: Located on Industrial Ave. Production ...

  9. Lucas 14CUX - Wikipedia

    en.wikipedia.org/wiki/Lucas_14CUX

    The Lucas 14CUX (sometimes referred to as the Rover 14CUX) is an automotive electronic fuel injection system developed by Lucas Industries and fitted to the Rover V8 engine in Land Rover vehicles between 1990 and 1995. [1] The system was also paired with the Rover V8 by a number of low-volume manufacturers such as TVR, Marcos, Ginetta, and Morgan.

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