Its actually good to use it more often than not. They tend to rust up causing them to drag the truck down and use lots more gas. . But it will not hurt a thing as long as your not hammering the gas pedal to the boards. Leaving them locked in at all times will wear more on the as stated but it wont hurt to leave in casually.
Last edited by Monster80; January 19th, 2011 at 12:27 AM.
Reason: My Typing sucks!!!