Unless you've still sporting a Motorola flip phone and relying on AOL dialup internet, you should be aware of both the existence of aftermarket differential covers and the YouTube video series from ...

For those looking to improve cooling for their pickup truck's rear axle and provide more strength, better performance and/or ease of use with a new differential cover, there are a variety of ...

Proform's Perfect Launch cover is beefy. The machined face with the logo houses the bolts that stabilize the main caps. It offers extra oil capacity, two magnetic drain plugs, and a fill hole. The ...

The mad scientists from Garage 54 have moved to making clear covers for more parts of a car. Watch how oil flows in a rear differential through a clear plastic cover. This serves as a reminder that ...

Throughout the last 18 months, we've added horsepower to our '97 Ford F-350 Power Stroke in more ways than one. We added Stage 1 injectors, a complete fuel system, an aftermarket high-pressure oil ...

Taking any remotely interesting mechanical contraption and replacing one of its covers with a transparent one almost always yields deeply satisfying visuals. And that's the case here with this Ford ...

There are several common truths about diesel engines. The main one is just how long they last. It’s not uncommon to see diesel-powered trucks rack up mileage that would make a gas engine wave the ...

BD Diesel Performance’s Cast to Cool Differential Covers are engineered to keep oil on the gears unlike other designs that allow oil to be flung on the inner surfaces, falling back down into the sump.

Front differential failures are extremely rare, but when they do start to fail, you may hear grinding, feel vibrations and have trouble steering. If you notice any of these symptoms, it’s best to have ...

Ford has used "'open" diffs, Detroit Lockers, and several types of clutch-type limited-slip ('posi') units. Tom favors a properly prepared posi for most street/strip applications. The best Ford ...

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 ...