Ignition system when the engine is running the role is in any engine speed and engine load different, at the right time can provide enough voltage to ignite the spark plug to produce enough of the mixture inside the cylinder spark, let the engine get the most excellent combustion efficiency. The basic unit includes a power supply ignition system (battery), the ignition trigger device, the ignition timing control unit, high voltage generator (high voltage coil), high-voltage distribution system (distribution boards), high voltage wires and spark plugs.
Modern means of ignition advance already controlled by the engine management change computers, computer collection engine Peugeot 307 turbocharger speed, intake manifold pressure or air flow, throttle position, battery voltage, temperature, knock ... etc signals, calculates the optimum ignition timing advance angle, and then send the ignition signal to achieve the purpose of controlling the ignition timing. Ignition system modification is to fill the gap existing ignition system, the modification aims to shorten the time required for magnetization, increase secondary voltage, lower voltage arcing, sparking growth period and reduce transmission losses.
http://carparts.metroblog.com/giulia_introduced_a_high_performance_version_of_qv
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