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The Duramax 6600 (6.6L V-8) was introduced in 2001 and was developed in a partnership with GM Powertrain and Isuzu Motors. Since its introduction, more than 650,000 6.6L Duramax diesels […]

The Ultimate Adventure K10 got a lot of attention this year. Not because it was some out-of-control off-road exotica that no one had ever dreamed of before--'cause it isn't. But […]

Load up your 4X4, hop in and drive halfway across the country, wheel/drive/wheel/repair for six days, and then go home and tell the greatest adventure story of your life. That's […]

The plan was to build a truck capable of driving anywhere in the country, to wheel the hardest trails we could find, and make it durable enough to blast back […]

The road trip. If Americans didn't invent it, we certainly perfected it. Nowhere else on the planet do you have the freedom to explore millions of square miles without a […]

If you've been paying attention the last two months, you know we're building a '75 1/2-ton Chevy to tackle this year's Ultimate Adventure. In year's past we've built some impressive […]

Off-road enthusiasts hate independent front suspension (IFS). It's one of the only things we all agree on. Show us a brand-new 4X4 with all the bells and whistles and we'll […]

Ford still dominates the off-road market with its solid-axle Super Duty truck. It was the last solid-axle/leaf-sprung 4X4 on the market, and now that Ford has finally gone to a […]

Santa's sleigh is way over-loaded this year. It's chocked full of Dana 60s and fuel-injected crate engines. There's probably even a few aluminum bodies and a bedliner or two. While […]

Ultimate Adventure is about getting the most capable 4X4s in the country together for a weeklong journey to tackle the hardest trails in the country. Participants put up or shut […]

Converting an old carbureted engine to run a modern fuel injection system can be expensive or time-consuming. It's always going to be one or the other--hopefully it's not both. If […]

IT'S ALWAYS EXCITING TO WORK WITH some piece of new machinery. You get to simultaneously learn about a collection of hardware that few people have ever seen, and you also […]

POWER. WE ALL HAVE SOME, MOST OF US WANT MORE, BUT ONLY a few of us will ever get enough to be satisfied. When it comes to the engine in […]

FOR OVER 50 YEARS THE SMALL-block Chevy has been the most popular V-8 engine swap on the planet. We doubt there's a car or truck out there that someone somewhere […]

LIKE EVERYTHING IN LIFE THAT IS exciting, magazine project vehicles must come to an end. Our Race 150 is no exception. No sooner do we get it finished then it's […]

IT'S BEEN SAID THAT THE BAJA 1000 is a war of attrition. To finish is a victory--to win is a miracle. The same can also be said for experiencing it. […]

WINNING THE 4-WHEEL & OFF-ROAD 4X4 OF THE YEAR award is a major achievement, and one that is coveted by the vehicle manufacturers that participate. They are fully aware of […]

THE 4-WHEEL & OFF-ROAD ULTIMATE ADVENTURE, PRE-sented by BFGoodrich Tires, is the coolest wheeling trip we take all year and the one we know you all lie awake at night […]

INDEPENDENT FRONT SUSPENSION HATERS across the country breathed a collective sigh of relief when the '03 four-wheel-drive 2500 and 3500 Dodge Ram trucks made their debut on solid axles. We […]

Dodge Overdrive Swap I have an '88 Dodge Ram with a 318, TF 727 transmission, and an NP241 transfer case. Can I put a later-model overdrive trans in it? Jerry […]

WE TOLD YOU YOU SHOULD HAVE BEEN there. We did everything we could to get you to go, and then gave you every ounce of good advice we had to […]

AS A RULE PEOPLE BUILD THEIR 4X4S to meet the unique demands brought on by the type of off-road terrain they drive over the most. That's why sand guys, wouldn't […]

WE'RE GOING TO LET YOU IN ON the secret on how not to get stuck in the mud. The key is not to let any part of your rig-besides the […]

I do landscaping, and recently my boss asked me if I would be interested in snowplowing for him next season. I have wanted to buy a used, affordable, yet capable, […]

IF YOU HAVEN'T EXPERIENCED driving a truck with Quadrasteer, you should know that you won't always feel the rear tires steer. All you'll feel is the truck turning and handling […]

THE TRANSFER CASE IS THE ONE THING ALL OF OUR 4X4S HAVE IN common. Without it, we'd all be reading Sport Truck magazine and not this fine off-road publication. With […]

WE SHOULD HAVE SEEN THIS ONE COMING. IT COULD have been coincidence, but when Goodyear released its 40-inch MT/R at SEMA last year it gave the new competition tire the […]

IT'S 5:00 P.M. ON FRIDAY, APRIL 11, and you're on your way home from work. You've got just enough time to finish your packing and catch a few hours' sleep […]

Don't Leave Home Without It I have a '91 Chevy S-10 4x4. My buddies and I have an issue at hand. Can I remove the front halfshafts (axles) and still […]

Frozen ATF I have an '80 Dodge Power Wagon with a 727 TorqueFlite transmission and an auxiliary cooler. In the winter I have problems with my tranny not shifting. When […]

GAINING TOP-DOG STATUS IN OUR 4-WHEEL & OFF-ROAD 4x4 of the Year competition is a major achievement, one that the vehicle manufacturers are rightfully proud to receive. They know that […]

33s? No Problem I just bought a bone-stock '85 CJ-7. I'd like to build it for medium trail duty and have been trying to plan for enough lift. I'd like […]

BANK ACCOUNTS ALL OVER THE country are hovering near their minimum balance requirements thanks to the sport of off-roading. So what? What else are you going to spend your money […]

Sell Your Welder I have a '92 Jeep Wrangler and I want to know if anyone makes a springover kit (with shocks). If so, are there any drawbacks? I do […]

DIESELS ARE GREAT ENGINES FOR tow vehicles. They twist out enough torque to get any load moving without the bad fuel-gulping habits of a big-block engine. But when you ask […]

WHAT WOULD YOU SAY IF WE TOLD you that you could get a vacuum-actuated selectable locker for just about any axle in any truck? What if we told you that […]

RIGHT AFTER YOU LEARN HOW TO change a flat tire, the next automotive lesson you need to master is fixing your own brakes. Before you attempt any other brake upgrade […]

Off-Road Tires With a Heavy Load Capacity I've had my Super Duty for a little over a year now and have been researching tires for off-roading. It has come to […]

HERE AT 4-WHEEL & OFF-ROAD WE KNOW THERE ARE always chores to do around the house, sports to watch on TV, and sometimes even kids to keep an eye on. […]

FRUSTRATION IS THE ENEMY OF ALL automotive projects. Adding a front axle and transfer case to the equation only makes things tougher when it comes to working on your vehicle […]

HE LAST CARBURETED LIGHT DUTY truck built in America was the '91 Jeep Grand Wagoneer. Jeep held on to the carb into the early '90s because Chrysler wasn't about to […]

What's the Best Carb? What is the best carburetor for a '77 Chevy with a 350? The one it has now is stock with 180,000 miles and I am looking […]

THIS IS A STORY ABOUT LIGHT HOW-itzers. We wanted only the biggest guns for this test, so we asked the top nine off-road light manufacturers to send us the biggest […]

IF YOU HATE GETTING COVERED IN mud, and you can't afford to compete in desert racing or rockcrawling, there's still a ton of fun to be had roaming the desert […]

FOR THE 36TH YEAR IN A ROW THE Red Rock 4-Wheelers and Moab Chamber of Commerce opened up the town of Moab, Utah, and invited the entire planet to come […]

BUNGEE JUMPING, SKYDIVING, ROLLER COASTER rides...it doesn't matter. Nothing compares to skimming across the desert floor at freeway speeds in a truck that weighs more than most tow vehicles. If […]

THE IDEAL AXLE SWAP WOULD GET you more strength, better gearing options, and larger brakes, and would let you run that locker you always wanted. The ideal axle swap would […]

Bicentennial F-150 I love Brett Gauld's '79 F-150 on the cover of your Oct. 2000 issue. I was curious as to where I can find a 3-inch lift such as […]

LAST MONTH WE SCARED BLUE OVAL FANS EVERY-where by waving the Bow Tie banner and showing you how we swapped a new 8.1L Chevrolet engine into our Suburban pre-runner. This […]

THE ONE THING WE ALL HAVE IN common (no matter what 4x4 we drive) is that we can't leave a suspension alone. It doesn't matter if you're after a 12-inch […]