DW  WORK LEAD

Project 7.3L Work Truck, Part 7: Installing Air Lift Air Springs to Improve the Towing Experience

As our 7.3L Power Stroke Work Truck project draws closer to completion we wanted to turn our attention back to towing enhancement. With new brakes […]
DW  TURBO lead B

Cummins Compound Turbos: Street and Tow-Worthy 700+ HP Combo

If you own a 2003-2007 Dodge with the 5.9L Cummins, it’s likely that you’re already well aware of the massive number of aftermarket options available […]
DW  SWAP Lead A

Injector Replacement: Correcting Duramax Turbo Fuel Delivery Issues

Diesel truck engines have occasional mechanical issues due to poor maintenance or faulty components. One major failure with diesel engines occurs in the fuel delivery […]
DW  UNOH

UNOH Cummins, The Final Act: A Student-Built Cummins Nears 1,000 HP

We’ve been following the University of Northwestern Ohio Diesel Club’s Cummins-powered pulling truck since 2011, and we’ve been pleased to see the students transform a […]
DW  WORK LEAD

Project 7.3L Work Truck, Part 8: Upgrading The Turbo Without Breaking the Bank to Wrap Up the Project

To wrap up Vincent Uriah’s 2003 Ford 7.3L Power Stroke work truck project, we decided to upgrade the turbocharger. Rather than install a high-dollar competition-minded […]
DW  GRIL

Nose Job Part 2: Giving a Super Duty the Royalty Treatment

Last month we started freshening up the nose of a 2006 Super Duty with the installation of a TrailReady prerunner front bumper. Now it’s time […]
DW  FICM A

Ford FICM Fix: 6.0L Diesel Fuel Injection Control Upgrade

Ford introduced the 6.0-liter Power Stroke V-8 in 2003, as a new and purportedly better replacement for the 7.3. Both engines used electronic fuel injection, […]
DW  COGNITO B

GM IFS Steering Fix: Cognito Motorsports Upgrades

Back in 1988, with the introduction of the GMT400 pickup platform, General Motors made a radical change: they introduced an independent front suspension (IFS) for […]
DW  CLUTCH

Valair Quiet Dual Disc: Installing the Clutch Performer

With 150,000 miles on the odometer and a telltale squeak at idle, it was clear that my 2004 Dodge 3500 Laramie 4×4’s clutch and its […]
DW  BD

BD Diesel Staging Limiter and Throttle Pedal Sensitivity Booster

When it comes to diesel drag racing or sled pulling, the first 60 feet can make all the difference in the world, and a bad […]
DW  MISH

Mishimoto Radiator and Intercooler: 6.4L Power Stroke

First introduced in 2008, Ford’s 6.4-liter Power Stroke engine has become a front runner in the performance diesel market, able to make more than 600 […]
DW  FUEL LEAD

Fuel Filter Fix: Rebuilding A Leaky Duramax Head

A common problem with high-mileage 2001-2010 Duramax trucks is that the fuel filter head assembly begins to develop air leaks. The engine’s CP3 high-pressure fuel […]
DW  DEF A

Diesel Exhaust Fluid (DEF): The Downsides of Misuse

Back in the September 2014 issue of Diesel World we talked about diesel exhaust fluid (DEF), which is used as an exhaust treatment in modern […]
DW  CST

CST Kit: Lifting a 2015 GMC

When Javier Gomez bought a loaded 2015 GMC Sierra Denali to use as a shop truck for his business—Gomez Custom Wheels & Tires in Fontana, […]
DW  AXLE LEAD

11.5 AAM Rear Axle: Best Aftermarket Products

Diesel trucks are built to handle a lot of abuse, but diesel enthusiasts like us tend to push way beyond the manufacturer’s intended performance levels. […]
DW  AXLE LEAD

Ultimate Axle Build: Building A Super-Strong 9.25 AAM Front Axle for Your GM or Dodge (Part 2)

The independent front suspension system and 9.25-inch AAM axle delivered in 2001-2010 GM trucks is great at providing a smooth ride on the road, but […]
DW  parts possible lead

Diesel Parts and Products: 2014 SEMA Show

The annual SEMA Show happens once a year, a testament to the ingenuity and imagination of the performance automotive industry. According to SEMA Show organizers, […]
DW  BOARD

PowerBoard Kit: Bestop’s Retracting Running Boards

One of the drawbacks of having a lifted truck is the inconvenience of having to hoist yourself up into the cab every morning. Add to […]
DW  NITTO  LEAD

Nitto Tire: The Two Newest Grappler Tires

When a tire manufacturer introduces a new tire, it’s a milestone event. The engineering, testing and development to produce a truly new and unique tire […]
DW  DCAM

Alternate Firing Camshaft: Strengthening A Duramax

With nearly 15 years of production, the 6.6L Duramax V-8 found in GM trucks has proven itself to be a durable and dependable diesel. Throughout […]