Technical Articles Relating To Off-Road Vehicle Development

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1985 Jeep CJ-7

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

Owner: Trails Less Traveled

Drivetrain: Dodge Magnum 5.9L (360ci) crate motor

Suspension: Custom Deaver leaf springs

Wheels/Tires: MT Classic II 39.5X15 Super Swampers

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.

Owner: Trails Less Traveled

Drivetrain: 2.7L 4cyl (3RZ)

Suspension: Total Chaos Long Travel, Custom 62

Wheels/Tires: Alcoa Forged Alloy 15x8x4.5“ 33x10.5“

1999 Toyota Tacoma

4WD V6/5spd TRD Tacoma. We're planning on turning this truck into an AWD S-Runner. This capable daily-driver and parts hauler will be built around bolt-on upgrades, starting with a Donahoe suspension system. First lifted and then lowered...

Owner: Trails Less Traveled

Drivetrain: 3.4L V6

Suspension: Donahoe/Deaver

Wheels/Tires: Alcoa Forged Alloy 15x8x4.5” 33x10.5

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.

Owner: Trails Less Traveled

Drivetrain: 3.4L V6

Suspension: Total Chaos Upper Control Arms / Light Racing Coil-Overs & Jounce Shocks / Old Man Emu HD rear

Wheels/Tires: American Racing Sidewinder Forged / OMF Beadlocks, 17x8x4.5“ Backspacing 305/70/17“ (35x12.50“) Maxxis Bighorn MT

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.

Owner: Trails Less Traveled

Drivetrain: 6.6L V8 Duramax Diesel

Suspension: Coil-Overs (Front) & Deaver Leaf Springs (rear)

Wheels/Tires: OMF Bead-Locked Forged Alcoa 17x8” 37x12.5”

1989 Toyota 4Runner

We are introducing a new series of technical articles about building an affordable truck on a budget. We recently acquired a 1989 SR5 3.0L V6/5spd Toyota 4Runner to document a 3.4L V6 engine conversion.

Owner: Trails Less Traveled

Drivetrain: 3.4L V6

Suspension: Total Chaos Second Gen. Caddy Kit

Wheels/Tires: Alcoa Forged Alloy 15x8x4.5” BFG 33x10.5” MT