When a vehicle is driven regularly, rarely is it in one spot long enough to detect more than an occasional driveline fluid drip. So, unless something beneath necessitates crawling under to repair, the ...

Few things are more annoying than seal leaks of any kind. They stain the driveway and lose all-important lubrication at the same time. Even more frustrating is replacing a seal in a differential that ...

No matter what 4x4 you have, how new it is, or what axles are in it, you’ll eventually end up with a leaky pinion seal. And rightly so, these seals are in the most abused locations on your 4x4. They ...

In our Oct. '11 issue, we added 70 hp to Project Panther using new cams and cylinder heads from Trick Flow. In the process, we raised the rpm where peak torque and horsepower occur. Since this is a ...