So now you've noticed that your gas mileage has dropped a little and your horsepower is suffering. This article is the next in the series of basic maintainance artiles by 4x4Projects. These articles apply to all vehicles. Just because this site is dedicated to offroad trucks and offroading, does not mean that everything on this site just applies to just trucks.
In this article I will go over the replacement of the spark plugs, the proper tools and talk about the gapping of the spark plugs. So please read on.



Basic Maintainance


