The best way to fix the slip-yoke on the back of your transfer case is to get rid of it. Period. There's really no advantage to having a slip-yoke on your NP231J, 231C, 231HD, 241C, 241D, or 243 with ...

Blowing a rear driveshaft on a stock Jeep is fairly common and can ruin your wheeling weekend. The slip-yoke design on most NP231 transfer cases means that once you remove the driveshaft slip yoke out ...

When you hit the throttle, the engine spins the flywheel. The flywheel transfers energy to the transmission that is transferred to the differential, spinning the tires and putting the power to the ...

Everyone who successfully completed Driveshaft 101 last semester, er, in last month's issue, now has a better appreciation of the challenging environment that the racing driveshaft must survive in and ...