Water Methanol Injection: More Power, Less EGT

Perhaps some of the most underrated performance parts in the industry are water-methanol injection systems. On street trucks, a well-tuned water-meth system can be worth […]
ScheidDieselExtravaganza

Ultimate Callout Challenge: What Are You Doing This May?

I love me some racing. Hopping from event to event during the season is one of the things I enjoy the most about my job. […]
Firepunk

Tuned Titans: Calibrated Power Solutions Dyno Day

When you think of Chicago, Illinois, a few things come to mind, such as Michael Jordan and his 6-time NBA championship winning Bulls, the 106-year […]
DW LB

Tech Q&A Part #4

Bogging Issues Hey there, I have a 1997 Chevy pickup with a 6.5L diesel, and I’m having some issues, such as a lack of power […]
DW GMGREEN LEAD

Supercharged Express: Brad Ponci's 1,000-hp Blown Cummins

When it comes to diesel performance, it’s easy to tread the same path as everyone else. Especially when it comes to 12-valve Cummins engines: It’s […]
Justin Kennedy took the top spot on the podium in the NON-DOT Class with his 2000 Dodge Ram. It’s equipped with a set of paddle tires on the rear to help get the big truck moving.

Battle of the Diesels 2: Merchant Automotive West Michigan Sand Drags

Drag racing on a groomed sand track may be a new concept to some, but in parts of the US with access to sand dunes, […]

Triple Play: 2015 TS Performance Outlaw Drag Race and Sled Pull

This year the TS Performance Outlaw Drag Race and Sled Pull was expanded to three days of diesel competition to allow the drag races to […]

No More Blown Boots: Merchant Automotive’s LML Duramax PCV Reroute Kit

Engines require crankcase ventilation to prevent pressure buildup that can blow out seals and cause routine leaks because all ICEs have a small amount of […]
The 2015 Ram 3500 is the best heavy hauler in its class. Ram Truck promotes its best-in-class payload of 7,390 lbs, torque of 865 lb-ft and towing capacity of 30,000 lbs. Our tester, being a Crew Cab, was rated slightly less at 29,010. In truth, most owners won’t notice the reduction in overall capacity. However, they will notice the added interior room of the Crew Cab.

Heavy Hauler: 2015 Ram HD Dually Test Drive

When you really need to tow a heavy load, the Ram 3500 DRW (dual rear wheel) truck can’t be beat. In fact, it’s top-in-class among […]

Everyman’s Truck: Crank Windows and 650 HP

A lot of us remember that pivotal moment when a diesel captured our undivided attention for the first time. For Kaden Nelson, that moment occurred […]

Air Density: Are Boost Gauges Fooling Us?

One of the things I enjoy the most about this job is being able to spend time with and learn from the industry’s greats. People […]

Key Ingredients: Real World Power Recipes from the Purdue Diesel Club Dyno Day

Dyno events are a great way to illustrate how different power combos play out in the real world. Instead of taking dozens of trucks to […]

Under Pressure—A 1,200-Horsepower 6.0L Drag Truck

A friend of ours once said that racing a 6.0L Ford is like competing in a sporting event with one arm tied behind your back. […]

Turbocharged Upgrade: HSP Diesel Duramax S300 Turbo System

Making 500hp in a 2001 to 2010 GM Duramax is easy, right? While easy may not be the right word, the Duramax is a very […]
14. For those doubting the power of nitrous, there are vehicles out there like Wayne Talkington's 9,500 pound, 11-second semi that speaks to the success of injecting nitrous into a diesel engine. Wayne uses so much nitrous that he has two fill bottles mounted on the rear of the truck to combat any pressure drops.

Big Power with Nitrous: 300-500hp at the Touch of a Button

There’s perhaps no easier way to make a little extra horsepower than nitrous—but making big power with the bottle takes some doing. On the plus […]
ESTENLEAD

The Miami Hammer: An Unusual Colorado

Chevy recently announced its new Colorado will be offered with a Duramax diesel. Not a 6.6L D-max, but a 2.8L 4-cylinder. Sure, that will still […]
With more than 1,000 rear-wheel horsepower and plenty of street-driven miles, you can be sure those Nitto 420 tires don't last nearly as long as they should, thanks to a heavy right foot.

Murica’n Made: 1,000hp Single Turbo 6.4L Power Stroke

Michael Corsilli of Pasadena, Maryland, thinks of diesel drag racing when the topic of American pastimes and values—the Armed Forces, Old Glory and baseball in […]
A Hummer H1 in pickup/flatbed two-door configuration. Hummer platforms feature a four-wheel fully independent suspension system complete with heavy-duty springs and hydraulic shock absorbers. Specially designed geared hubs provide a unique gear reduction of 2:1 at each wheel end, doubling the torque output.

Diesel History Retrospective: AM General and the Humvee

AM General is without qualification an American survivor. Its heritage has roots which run deep into the 1800s when Standard Wheel Company—located in Terre Haute, […]

World's Quickest Diesel: The 6.31-second, 226mph, 2,500-Horsepower Scheid Dragster

Drag racing—a simple point A to point B contest—is perhaps one of the purest forms of displaying horsepower. It should be no surprise then, that […]

Tech Q&A Part #2

Bad Vibes I have a 2007 Dodge dually with about 120k miles on the odometer. The truck has developed a vibration that can be felt […]