1. Master tech Ethan Barker of Left Coast Diesel helped us install the trio of affordable fueling modifications that made significant improvements in acceleration on our test truck, especially out of hole.

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 […]

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 […]

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 […]

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 […]

Fuel Fix: High Speed Performance Fuel System for the 6.0L Power Stroke

Pump Systems A lift pump, as it’s commonly called on a modern diesel, is not the main injection pump. It simply supplies the main injection […]

Fueling Around at Work: Upgrading The Fuel System On A Cummins Powered Work Truck

“Pure Fuel!“ Proper operation of the fuel system in any diesel engine is of vital importance, especially with modern, high-pressure common rail engines. Getting the […]
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, […]

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 […]

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 […]