What is the spark plug gap for a 1971 Chevrolet 454?
The recommended spark plug gap for a 1971 Chevrolet 454 engine is 0.035 to 0.045 inches. However, always check your owner's manual or a reputable repair manual specific to your 1971 Chevrolet 454 for the most accurate information, as slight variations may exist depending on the specific engine configuration and options.