SPECIAL FEATURES:

STREET SLEEPERS

Cowgirl Up!

A High-Powered Horse Hauler for Work and Play

Retro Rocket

An 11-Second Daily Driver

12-Valved Super Duty

An Unassuming Ford With Quadruple-Digit Cummins Horsepower

High-Horsepower VP44

Left Coast Diesel Makes 1,000-plus hp With a 24-Valve Dodge

EVENT COVERAGE

FASS Diesel Nationals

The Annual Indy Smoke Fest Continues

Thunder In Muncie

Bringing Back an Old Tradition

TECHNICAL

Ford 6.0L Performance Rebuild Part 2:

Evaluating Injectors and Rebuilding the Cylinder Heads

12-Valve Revival

Bringing New Life To A Seasoned Workhorse

Cryogenic Basics

It’s Not Just For Sci-Fi Movies Anymore

Unlocking Economy

Installing Dynatrac’s Dodge Free-Spin Hub Conversion Kit

Intercooler 101

Things To Know About Cooling The Intake Charge

The Injection Connection

Project Box Hauler Gets New Dynomite Diesel Performance Injectors