4x4 & Off Road Transmission and Drivetrain

1995 Jeep Cherokee XJ - NP231 Transfer Case Upgrade - Advanced Driveline

The NP231 transfer case is a rugged, reliable, and durable unit that has been used in a variety... » Read More

2004 Toyota 4Runner - ARB Air Locker Install - Selectable Solutions

When locked, the Air Locker becomes a spool, turning the axleshafts in perfect unison. Street or... » Read More

Jeep Wrangler JK Junkyard JK Axle Swap - Part 3

Using a 2007 Jeep Wrangler Unlimited Rubicon as our test vehicle, we installed a set of used... » Read More

Jeep Wrangler JK Junkyard Axle Swap - Part 2

This month, we are moving out back to install the Sterling 10.5-inch rear axle that we grabbed... » Read More

2004 Toyota Tacoma 4x4 - Solid-Axle Solution

One of the biggest challenges when installing a solid axle under a rig originally equipped with... » Read More

Toyota Axle Swap - Won Ton Axle

Toyota mini truck axles find their way under a lot of projects due to their light weight,... » Read More

Ross Cam And Lever Steering Rebuild

Despite being in production for 30 years, you just can’t just go into any local auto parts... » Read More

Jeep Wrangler Axle Wrangling - Part 3

Compared to a low-pinion Dana 60 front differential that rides on the weaker coast side of the... » Read More

Teraflex Transfer Case Upgrade - Gearing Down

Low range axle gears can provide the hill holding solution, but that also uses more fuel while... » Read More

4L60E Transmission - Automatic Rabbit Hole

There are four main differences to the 4L60E that started in some ’92 GM vehicles (Corvettes)... » Read More

Building The Ultimate Dana 300 - Transfer Case Beef

We did one-stop shopping with Advance Adapters to make our Dana 300 stronger and more... » Read More

Finding And Buying Used Axles For Jeeps

Luckily, Jp Magazine is here for -- to tell you what you want, what you don’t want, and what... » Read More

Jeep Wrangler JK Junkyard Dana 60 Axle Swap - Part 1

Weighing in at roughly 4,300 pounds in stock form, one of the biggest drawbacks of the Unlimited... » Read More

Buying A Used Transfer-Case Or Transmission

Buying a used T-case or transmission is kind of like buying a used Jeep -- only when buying a... » Read More

Jeep Wrangler Axle Wrangling - Part 2

That axle of choice was the East Coast Gear Supply semi-float Dana 60... » Read More