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What is spark plug gap on 1979 Ford F-150 460 CID?

The recommended spark plug gap for a 1979 Ford F-150 with a 460 CID engine is 0.040 inches (1.0 mm). However, always double-check your owner's manual or a reputable repair manual for that specific year and engine to be absolutely certain. Slight variations might exist depending on the specific spark plug used.