4x4 and Off Road Technical Q&A Reviews

Jeep TJ Lockers: Which Is Best for Snow?

I’m from southeast Washington. I’m building a ’97 Jeep TJ Wrangler Sport. It has a 4.0L... » Read More

Jeep 4.0L vs 4.6L Stroker

I am building a 4.6L stroker (4.0L with a 4.2L crank and rods) for my 1994 Cherokee Sport and... » Read More

Best Aluminum Radiator Upgrade for Wrangler

I have 1994 Jeep YJ with a 4.0L HO straight six engine and three-speed automatic transmission.... » Read More

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

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

Looking for a Half-Ton Truck? We Test Them All Head-to-Head!

Half ton trucks are more capable than ever, whether you want to tow or go off-road. We test the... » Read More

Nuts & Bolts: Tall & Skinny

Reader asks our opinion of the Cummins R2.8 and also for tire advice for his Toyota 4Runner.... » Read More

Nuts & Bolts: Budget Ford Bronco II

Reader asks for help swapping a Dana 30 into his 1988 Ford Bronco II.... » Read More

Nuts & Bolts: Budget Jeep Build Ideas

Nuts & Bolts: Budget Jeep Build Ideas.... » Read More

Dino the Dinosaur, Part 4: Interior Refresh

Part 4: Interior Refresh & Daily Driver Prepping... » Read More

Nuts & Bolts - Which Front Locker Fits This Ford?

We advise a reader with a 2001 Ford Explorer Sport about how he might add a front locker.... » Read More

Nuts & Bolts - Fix for Ford 6.0L Oil Cooler

We advise a reader who is having problems with the oil cooler in their 2005 Ford F-250.... » Read More

Nuts & Bolts: Clutch for a 2003 Chevy Silverado 1500

We advise a reader with a 2003 Silverado 1500 which clutch she might buy that’s made in... » Read More

Lower gears can offset the downside of larger and heavier tires and wheels

Minimize the concessions made when adding larger tires by adding lower gears.... » Read More

Nuts & Bolts: Truetrac vs. ARB

In this Nuts & Bolts - A reader with a 2005 Jeep Unlimited is thinking of ditching the Detroit... » Read More

Pulling Power Part 1 - Making A Half Ton Truck Tow Capable

Have a half ton truck but need something that tows like a three quarter? Watch as a we upgrade... » Read More

Nuts & Bolts: Chevy Solid Axle Swap With Leaf Springs

A reader with an '02 Chevy Silverado 1500 4x4 5.3L wants a mild lift with stock rubber but with... » Read More

The 2015 Cheap Truck Challenge Dodge Gets a Bit Better

We add a Pertronix distributor and upgrade the brakes on the 2015 Cheap Truck Challenge Dodge... » Read More

Nuts & Bolts: 2015 Ram 1500 Gearing Options

I just bought a 2015 Ram 1500 4x4 EcoDiesel. As much as I want to do the deletes and lift the... » Read More

5 Top Mods For Any 4x4

These 5 mods are simple upgrades that can be made to almost any 4x4 over the weekend and our top... » Read More