What is the spark plug gap for 1995 Chevy van with 454 engine?
The recommended spark plug gap for a 1995 Chevy van with a 454 engine is 0.040 inches (1.0 mm). However, always double-check your owner's manual or a reliable repair manual specific to your vehicle's year and engine for the most accurate information. The gap might vary slightly depending on the specific spark plug used.