What is the spark plug gap for a Chevrolet Tahoe 5.7 350 Vortec?
The recommended spark plug gap for a Chevrolet Tahoe 5.7L (350) Vortec engine is 0.040 inches (1.0 mm). However, always double-check your owner's manual for the most accurate and up-to-date information specific to your year and model Tahoe.