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  2. Subaru EJ engine - Wikipedia

    en.wikipedia.org/wiki/Subaru_EJ_engine

    The ECU has the same number and shape harness plugs as the USDM WRX 2.0. No immobilizer. The engine speed is limited from the factory at 8000 rpm V8, 9 are twinscroll, AVCS, throttle by cable, topfeed injectors, engines. There are no TGV's, the intake manifold is one piece. The spark plugs are specified one step colder, compared with other Sti.

  3. GM Ecotec engine - Wikipedia

    en.wikipedia.org/wiki/GM_Ecotec_engine

    The GM Ecotec engine, also known by its codename L850, is a family of all-aluminium inline-four engines, displacing between 1.2 and 2.5 litres.Confusingly, the Ecotec name was also applied to both the Buick V6 Engine when used in Holden Vehicles, as well as the final DOHC derivatives of the previous GM Family II engine; the architecture was substantially re-engineered for this new Ecotec ...

  4. GM Family 1 engine - Wikipedia

    en.wikipedia.org/wiki/GM_Family_1_engine

    The GM Family I is a straight-four piston engine that was developed by Opel, a former subsidiary of General Motors and now a subsidiary of PSA Group, to replace the Vauxhall OHV, Opel OHV and the smaller capacity Opel CIH engines for use on small to mid-range cars from Opel/Vauxhall.

  5. Daewoo S-TEC engine - Wikipedia

    en.wikipedia.org/wiki/Daewoo_S-TEC_engine

    The first model was 0.8 L (796 cc) SOHC straight-three engine based on the powertrain of the Suzuki Alto. In 2002, the range was extended to 1.0 L (995 cc) and 1.2 L (1,150 cc) inline-four engines and updated with EGR valve to reduce emission. A new engine plant for the updated model T4 was built.

  6. Ignition timing - Wikipedia

    en.wikipedia.org/wiki/Ignition_timing

    Pressure in cylinder pattern in dependence on ignition timing: (a) - misfire, (b) too soon, (c) optimal, (d) too late. In a spark ignition internal combustion engine, ignition timing is the timing, relative to the current piston position and crankshaft angle, of the release of a spark in the combustion chamber near the end of the compression stroke.

  7. Wasted spark system - Wikipedia

    en.wikipedia.org/wiki/Wasted_spark_system

    A wasted spark system is a type of ignition system used in some four-stroke cycle internal combustion engines. In a wasted spark system, the spark plugs fire in pairs, with one plug in a cylinder on its compression stroke and the other plug in a cylinder on its exhaust stroke. The extra spark during the exhaust stroke has no effect and is thus ...