There are certain pieces in hot rodding that reign supreme, they're king, top of the heap, and there's no chance of dethroning them. Be it a full-house Flathead, the big, bad Hemi, or the entire '32 ...

There's no debate that diesel-powered pickups are making more power than ever, and when you combine that with a big lift, it puts more strain on the rear end gears. When you put 37-inch-tall tires on ...

It's natural when building a hot rod to want to tackle the engine first. After all, the main question you'll hear is, "What's it got under the hood?" Nonetheless, stuffing a big mill into a car with a ...

Your rear differential is one of the most unappreciated parts in your car or truck. It does what might be the hardest job of all of those components, multiplying torque from your transmission and ...

For part two of our series about transforming Jared Lehenbauer’s new-to-him ’01 Ford F-250 into a truck that’s better suited to his needs, we’re detailing how to select the correct gear ratio for two- ...

Muscle cars have long captured the imagination of automotive enthusiasts with their powerful engines and sleek designs. However, a lesser-known aspect that further enhances their performance is the ...

When it comes to fixing your differential, there’s bad news and good news. The bad news is that differential replacements are expensive, often ranging from $2,500 to $6,000. The good news is that both ...