A fundamental part of any muscle car is a nice, strong rearend fitted with a limited slip or Posi unit. What good is it to make gobs of horsepower if you can only do one wheel burnouts or if the diff ...

To understand the benefits of a limited-slip differential (often abbreviated to “LSD” in automotive literature) you have to ...

Before we get technical, let's talk a little about rearends. Yes, the one residing out back, underneath your old Mopar, which handles suspension duties and transfers the power delivered to the rear ...

“My mama always said life is like a box of chocolates. You never know what you’re gonna get.” Forrest Gump’s philosophical words were on our mind the moment Mobile Diesel Service tech Matt Johnson ...

Life in Mopardom used to be a lot simpler. When building a basic street machine, some components generally required little attention. Items like the 8.75-inch rear were built to go the distance, and ...

Big milestone in the garage—I dropped my rear differential for the first time ever! 🤩 Whether you're maintaining your build, chasing drivetrain upgrades, or just diving into hands-on car repair, this ...

There might be a whining, grinding or growling noise coming from the rear of your car. The noise may be constant or only when accelerating or turning. And it could be so subtle that you forget it’s ...