Full-Manual Valvebody, Four-Speed 68RFE WP Developments has created the world’s first full-manual valvebody 68RFE. The quick-shifting four-speed does away with the use of the 68RFE’s […]

Don’t Get Locked Out! PSA: 2021 and older fifth-gen Ram owners, don’t let your dealer reflash your truck! Tuned fifth-gen trucks receiving factory ECM updates […]

Fresh Build Immediately Makes The “Quickest Duramax” List Wyatt Stengel’s LB7-powered ’70 K15 build has been a work in progress for more than three years—but […]

New Look, More Power, Enhanced Towing Technology Since 2011, General Motors’ HD line of trucks has been tough to beat. Powerful Duramax V-8’s in the […]

A Frame-Laying, Cummins-Powered Classic Chevrolet If you’ve never heard of a Chevrolet Viking, don’t feel bad. A lot of folks haven’t, especially those that primarily […]

Inside Haisley Machine’s New Billet-Aluminum Block Cummins—And How It Turns Out So Much Power If you’ve been to a truck pull over the past 15 […]

The Forward-Thinking Parts That Made Big Horsepower Possible—As Well As Survivable Last year’s drag racing and truck pulling season gifted the diesel world with countless […]

A Show-Stopping, Cummins Cab-Over Conversion—Built For Work And Play Greg Noble has a classic car, John Deere tractor, and motorcycle collection that would be the […]

Commanding Presence, Performance And Capability When Ford launched the Super Duty line in 1998, it changed the heavy-duty truck game forever. Back then, a maximum […]

A ’69 F-350 With An Unlikely Powertrain And A Super Duty Chassis Steve Burris owned a 6.0L once. Back in ’05, he bought a brand-new […]

Truck Of The Week Wheeling A Dually? You Bet! Randy Reyes continues to take his dually where no dually has gone before. Known throughout the […]

The Axle And Suspension Conversion That Brings Your OBS Ford Into The Modern Age More than a quarter-century after production ended, old body style Fords […]

2 Jam-Packed Days Of Truck Pulling, Drag Racing, Dyno Competition And Showing Off It doesn’t get any better than the late-summer blockbuster that is the […]

And The Aftermarket Parts That Address Them For more than two decades, the Allison name has been synonymous with the Duramax, the common-rail, aluminum headed […]

A Ground-Up Crew Cab Dodge, Built For Overlanding Kelly Pfledderer is a successful businessman on the verge of his second retirement. He appreciates a quality […]

How Much is Too Much for the Almighty Cummins? Here at Diesel World, we spend a lot of time pointing out the weak points and […]

Inside Stainless Diesel’s New Pro Mod Corvette When you’re a three-time Pro Street champion with multiple record-setting passes under your belt, the next step in […]

Mark Rojee’s Stock-Appearing, 1,500 HP ’18 Ram What do you get when you take a Hemi junky’s half-ton Ram away from him and give him […]

How To Affordably Make Your ’03-’07 Dodge Run With The Rest Of The Pack As the 5.9L third-gens continue to age, more and more folks […]

The Inner Workings of An LMM Built to Live at High-RPM We see a lot of engines go together here at Diesel World, but occasionally […]