DW  METH LEAD

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 […]
DW  JSTATE

The 2015 Jefferson State Diesel Nationals

Full of long stretches of highway, mountains and lakes, northern California is the perfect environment for a diesel enthusiast. It should come as no surprise […]
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 […]
DW  DGPULL LEAD

Addicted: A Homebuilt 2,500hp Super Stock Diesel Class

Early on in his motorsports career, Jason Stott knew he was one of those guys who wanted to complete in the highest level of sled […]
DW  NOS

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 […]
DGPULLLEAD

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 […]
WP Gauntlet

The Gauntlet Challenge: High-Horsepower Diesels Invade Colorado

This year, ATS Diesel Performance took dyno contests to a whole new level with their “Gauntlet Challenge,” a winner-take-all dyno event with a $500 buy-in, […]
DW  SCAB

The Underdog: From Used Cab & Chassis to 700-HP Monster

Normally, when you see a diesel screaming down the drag strip in the 11-second range, it’s not a 6.0L Ford. Truth be told, though, the […]
DW  WHITE

10-Second Tow Rig: Daily-Driven 900-HP Cummins?

Not only is Aaron Flournoy’s Ram that you see on these pages a daily driver, it’s currently his wife’s daily driver. Since Aaron is bigger […]
DW  GARAGE LEAD

The Outer Limits: Inside Diesel's Most Extreme Competition Engines

About 15 years ago, diesel truck engines were around to be sure, but they weren’t considered in any sort of performance category. Sure, there were […]