Keep in mind that larger spark plug gaps also place increasing demands on the secondary portion of the ignition. Quick reference for spark plug gaps, types, and part numbers by vehicle This first gap tool will damage platinum or iridium
NGK Spark Plug Gap Chart: The Key to Better Fuel Efficiency - Auto-moto
It is slid around through the gap until it's at.
A gap of.045 is generally recommended for hei systems, but can be increased to.048 with a 50k volt coil or.055.
Spark plug gap chart by vehicle with exact specs, torque values, and plug types for 80+. The correct spark plug gap is 0.035 inches Question about plugs and gap Wondering what your experiences are with different plug gaps and the results