2016 Ford F-150 XLT 2.7 Ecoboost 3.55 Axle
I’ve got just over 53k and I’m not sure if the plugs have ever been changed. Bought it with 42k on it. What’s a good change interval? Since I’m going to tune it soon I want to change the plugs. What gap should I set them at? And can a parts store set the gap?