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 ...

Featured image: Before the ring and pinion installation is begun, the ring gear flange on the carrier should be checked for runout with a dial indicator. In the March '77 issue of HOT ROD, the ...

Your engine rotates so your tires can rotate, but after your engine rotation goes through the transmission, transfer case, and driveshafts it has to make a 90-degree turn to continue out your ...

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 ...