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What is the spark plug gap for a small block Chevy?

The recommended spark plug gap for a small-block Chevy engine depends on several factors, including the year of the engine, the specific application (street, race, etc.), and the type of spark plugs used. There's no single definitive answer.

However, a common range is between 0.035" and 0.045". You should always consult your engine's repair manual or the specifications provided by the spark plug manufacturer for the precise gap recommended for your particular setup. Using the wrong gap can lead to misfires and poor engine performance.