Technical Articles Relating To Off-Road Vehicle Development

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1985 Jeep CJ-7

Full-bodied competition-quality rock crawler. AFW frame-rails, a Kevlar tub and fully integrated rollcage are the foundation for this scratch-built Jeep.

1996 Toyota Tacoma

4WD Tacoma project vehicle built in the style of a prerunner/desert-truck. We explore the performance and versatility of developing long-travel IFS technology.

1999 Toyota Tacoma

4WD V6/5spd TRD Tacoma. Capable daily-driver and parts hauler, built around bolt-on upgrades.

1996 Toyota 4Runner

This SUV is built to travel. Hauling four people, their bikes and gear on cross-country adventures. The buildup strikes a balance between creature comforts and trail-prowess.

2003 Chevy HD2500

The inspiration for the suspension of this HD2500 can be found in the straight-axle desert-racing trucks of the 80's. The goal is to create a workhorse of an off-road truck that is versatile enough to serve as a reliable tow-rig AND desert chase-truck. This vehicle is currently under construction at Johnson Fabrication in Riverside, CA.

1989 Toyota 4Runner

Series of technical articles about building a capable, reliable, comfortable truck - on a budget. Our plans for this 1989 SR5 3.0L V6/5spd Toyota 4Runner included a 3.4L V6 engine conversion and long-travel suspension.