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  2. 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.

  3. Contact breaker - Wikipedia

    en.wikipedia.org/wiki/Contact_breaker

    The contact breaker is operated by an engine-driven cam.On an engine with a distributor, the contact breaker can be found beneath the distributor cap.The position of the contact breaker is set so that it opens (and hence generates a spark) at exactly the optimum moment to ignite the fuel/air mixture.

  4. Wasted spark system - Wikipedia

    en.wikipedia.org/wiki/Wasted_spark_system

    The coilpack fires the spark plugs in two cylinders simultaneously so for example 1&4/2&5/3&6 cylinders fire together, the spark plug in one cylinder on a compression stroke is where the power comes from, and the spark plug in the other cylinder on an exhaust stroke does nothing. Coils in a wasted spark system may be in pack form, or they may ...

  5. Does Spark Energy, Inc.'s (NASDAQ:SPKE) CEO Pay Matter? - AOL

    www.aol.com/news/does-spark-energy-inc-nasdaq...

    Nathan Kroeker has been the CEO of Spark Energy, Inc. (NASDAQ:SPKE) since 2014. First, this article will compare CEO...

  6. Gasoline direct injection - Wikipedia

    en.wikipedia.org/wiki/Gasoline_direct_injection

    In engines with wall-guided injection, the distance between spark plug and injection nozzle is relatively high. In order to get the fuel close to the spark plug, it is sprayed against a swirl cavity on top of the piston (as seen in the picture of the Ford EcoBoost engine on the right), which guides the fuel towards the spark plug.

  7. Spark - Wikipedia

    en.wikipedia.org/wiki/Spark

    Spark, the last-mile delivery service for Walmart; Spark (architects), an international architectural firm Spark (U.S. organization), a Trotskyist group Spark Energy, a UK electricity and gas supplier