DW  DGCR Lead

Common Rail Diesel: Diagnosing Fuel System Issues

Although common rails are an improvement from prior types of fuel systems, they’re not without some issues. Many of these problems, however, stem from things […]
DW  VPUMP

P7100 Pump Tech: How Scheid Diesel is Pushing the Limits

For years, the Bosch P7100 pump (most commonly found on ’94 to ’98 Dodge Rams) has dominated diesel pickup horsepower and can be found in […]

Project Looks. Muscle. Longevity. (LML)

Improving a 2012 LML Duramax After a few months hiatus, Project LML is back for its final installment of the build. Over the last year […]

REMOVE THE VARIABLE. MAKE IT RELIABLE.

HARRINGTON DIESEL 6.0L POWER STROKE T4 TURBO KIT Historically, the 6.0L Power Stroke has been one of the more problematic diesel powerplants due to a […]
DW  DMAX

Backyard Power Mods: High-Mileage Duramax DIY for Under $500

It’s understandable that with today’s newer truck prices, more owners are opting to hang onto their five- to 10-year-old trucks, even when the mileage starts […]
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 […]
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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  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  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  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 […]
DW  KRYP LEAD

DMAX Store Kryptonite Series: GM Duramax Performance Products

The independent front suspension (IFS) found under the front of the 2001-2015 GM Duramax trucks has always had the “rides like a Cadillac” reputation: offering […]
DW  GMTECH B

LML Duramax Modifications: Building a Rocket Ship

Imagine driving a brand new Duramax with twice the factory horsepower. Obviously, your rig wouldn’t roll out of GM like that, but that doesn’t mean […]
DW  LONG

Traction Bar Kit: Longhorn Fab Shop

Torque. It’s the biggest reason most diesel owners are diesel owners to begin with: The massive torque these trucks can produce is what gets a […]
DW  CPTHREE LEAD

S&S Diesel Motorsport: Uncommon-Rail Injection

We had the chance to visit two of the S&S Diesel Motorsports sites in Michigan to see some common-rail injectors and pump magic for ourselves. […]
DW  LB

LB7 Duramax: Tuner’s 2001-2004 Stealth 64 Turbocharger

It’s been 10 years since GM stopped producing the LB7 Duramax, but thanks to their longevity, efficiency and performance potential, the 2001-2004 GM trucks are […]
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Long Travel Super Duty Upgrade: Carli Suspension Upgrade Helps Work and Play

In stock trim, the F-250 4×4 is a good work truck. If you get one with the factory ­­­­­­ FX4 package, it brings you skid […]
DW  FUEL

Affordable Fueling Modifications: Duramax Upgrades

As with any diesel engine, more air and more fuel means more power. So naturally, the more fuel trucks receive, the better. However, not long […]