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Engine timing, also known as ignition timing, is the process of synchronizing the opening and closing of engine valves with the movement of the pistons during the four-stroke cycle. Precise timing ensures the air-fuel mix enters the cylinder at the right time, ignites correctly, and exhaust gasses are efficiently expelled.
The load on an engine - whether it is pulling hard or cruising - also affects the timing. A lightly loaded engine works best if the ignition is advanced an extra amount. A second vacuum-operated device controls this independently of the first.
Engine timing refers to the precise coordination of the opening and closing of engine valves with the movement of pistons during the compression stroke. Ignition timing, a vital aspect of this process, determines when the spark plug ignites the air-fuel mixture in the combustion chamber.
Your timing must be at the correct setting for your car to perform at top level, affecting the speed and efficiency at which the engine fires. You can adjust your car's timing with a timing light and a set of wrenches, tools available at any auto parts store.
Ignition timing has to do with the four cycles of your car’s engine. The four cycles are: Air gets sucked in by means of the intake valve, while the injectors deliver fuel.
That’s why an engine usually has an initial timing of something around 10 degrees advance. What’s 10 degrees advance, you ask? You have two primary settings to toy with, initial timing and...
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.