Remember calculating which speedo drive gear would make your speedometer and odometer read accurately after a gear and tire size change? if you own a new JK wrangler, those days are gone. Now the ...

Question: Three months ago, I purchased a 2010 Jeep Wrangler Sport. It came with P255/75R17 tires that are larger than the original tires, which were P225/75R16. Is there an easy and inexpensive fix ...

Slamming your truck to get it in the weeds on low-pro rubber or jacking it up for big, knobby meats will throw your speedometer out of whack. Most custom-truck builders know this, but few do anything ...