Tune up-06 Tundra

Plug gap should NEVER be altered in a manner that involves contact with the center electrode…YOU know that OK44…what are ya…Drinkin tonight or sumpthin? LOL

Blackbird

Plug gap should NEVER be altered in a manner that involves contact with the center electrode

GEE…every single plug gap tool I own MUST come in contact with the center electrode in order to take a proper measurement.