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IGNITION TIMING
Igniting the correct air/fuel ratio at the correct time is the responsibility of the ignition system. Ignition timing consists chiefly of three parts: initial timing, timing advance or curve, and total timing. Checking and adjusting these elements of timing for maximum power and efficiency are fairly easy and inexpensive. It’s also satisfying to uncover untapped power in a performance engine, knowing that those gains can improve the performance of other components. Certainly, a carburetor cannot perform to its optimum unless the ignition timing is correct. The basic rule of carburetor tuning is ignition first. Once the ignition advancing mechanism is correct, the air/fuel mixture can be tuned for improved power or fuel efficiency.
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