4-wheel & Off-Road Magazine

4.0L Head Swap on a Jeep 258 4.2L Engine

I’m having the 4.2L 258 in my 1985 Jeep CJ-7 rebuilt by a local machine shop. The shop just... » Read More

10 Modifications to Make a Jeep CJ-6 Stand Out

It’s no secret that almost every year the staff of Petersen’s 4-Wheel & Off-Road builds a... » Read More

Adding Longer Radius Arms to a 1994 Ford Bronco

I have a 1994 Bronco with a TTB frontend. I acquired a set of extended radius arms for free. I... » Read More

New 2021 Ford Bronco Off-Road Capability vs Jeep Wrangler

The new 2021 Ford Bronco is one of the most highly anticipated 4x4s to be unveiled by any... » Read More

We Install a Skyjacker 4-inch Lift System to Our First-Generation Chevy Colorado

To properly lift our 2008 Chevy Colorado, we opted for a Skyjacker 4-inch lift system, which... » Read More

Mule Expedition Outfitters Builds a Hemi-powered Ram 2500 Tradesman

What is a Baja Runner? Designed to be a rolling showcase of the brands Mule Expedition... » Read More

Mud Claims Smittybilt’s Jeep's U-joint on the Stampede Trail at Ultimate Adventure 2019

Disjointed U-Joint U-joints are used on drivelines and front axleshafts in order to transfer... » Read More

Jeep JL Wrangler Amp Research Powerstep Install on a 2019 Jeep Wrangler JL

The four-door Wrangler Unlimited has been a smash hit from the day it entered the marketplace as... » Read More

JK Wrangler Flex-A-Lite Direct Fit Transmission Cooler Installation

Heat is the enemy of any and all automatic transmission. We’ve been told that anything over... » Read More

How to Add Quick & Easy Body Armor to a Jeep CJ-7

Sheetmetal bumps and bruises are an off-road fact of life. Sooner or later you’re going to... » Read More

Easy Jeep JK Wrangler Brake Upgrade

It’s a fact. Adding larger tires to any off-road 4×4 is one of the first things people do.... » Read More

We Drive Our 1977 Big-Block Ford F-150 on 42s All the Way to Alaska for Ultimate Adventure

Me: I’m going to drive my truck to Alaska this year for Ultimate Adventure! Editor Hazel:... » Read More

Skyjacker’s RockLock Unlocking Swayber for Wranglers is Like Two Sway Bars in One

For years we ran sway bar disconnects on our 2006 LJ Wrangler with 35-inch-tall tires. The... » Read More

Don’t Race This Long Travel 2012 Toyota Tacoma to Camp. You Will Lose!

In the past, desert racers and prerunners added long-travel suspension and bypass shocks to... » Read More

3.0L EcoDiesel JL Diesel Wrangler First Drive Off Road

Two of the questions we most frequently get asked is: 1- When is Jeep going to build a Wrangler... » Read More

Wrapping Up Loose Ends on Our 1969 Bronco Project

Christian Hazel peereth down from on high (no, not that kind of high, you silly potheads, but... » Read More

This Vintage 1972 K5 Blazer Has All the Right Hardware

Square-body Blazers are commonly spotted on the trail, and for good reason. They came from the... » Read More

Project Double-Duty Ram: Adding More Diesel Capacity

This 2018 Double-Duty Ram 3500 is being built to be a versatile pickup. It wheels, it camps, it... » Read More

First Drive: 2020 GMC Sierra 1500 AT4 Duramax

GMC has had a busy year, between the 2019 Sierra 1500’s arrival in showrooms late last year... » Read More

Part Eleventy-Hundred of Our 1969 Bronco Build

Sadly, our Early Bronco project has been languishing. That’s for a few reasons, and not all... » Read More