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Project Paw-Paw: Part 12

We know it makes good power now, but can our ’97 F-350 still tow?

Project Paw-Paw: Part 11

567rwhp, 13-second quarter-miles, same old factory look.

Bigger Is Better: 2019 Ram 3500 Built for Style

It’s mean, huge and rolling on 40s. This 2019 Ram 3500 is the quintessential SEMA show truck.

Project Paw-Paw: Part 9

With the engine and transmission mods complete, it’s time to reprogram the 7.3L’s brain: the PCM.

Stealth Bomber: A Tuned 2010 BMW 335D Diesel

This diesel BMW slips under the radar with stealthy looks and gobs of torque.

Project Paw-Paw: Part 8

You can’t quadruple a diesel’s torque output without upgrading the transmission, so now it’s time to bulletproof the E4OD.

Big Boost: 2 Engines, 6 Turbos and 8,000 HP!

A tale of two oil-burners, 450-psi of boost and 11,000 lb-ft of torque!

Leading Edge: 9 Industry-Changing Parts from PRI 2019

High-flow turbos, near-bulletproof rear-ends, cutting-edge fuel system technology, budget engine blocks and more…here’s to a prosperous 2020 in motorsports.

20,000 Horsepower: The Most Powerful Engines of PRI 2019

From truck and tractor pulling to drag racing, these wicked power plants are some of the most powerful you’ll find anywhere in the world.

SUV King? Chevy Debuts 2021 Tahoe & Suburban with IRS, Duramax Diesel Option & More

The Full Size SUV segment heats up with full redesigns and new options for Chevy's two iconic models.

Outlaw Diesel Super Series: 2019 Season Recap

From nail-biting index races to 4-second Pro Mods, there was never a dull moment in diesel drag racing this year.

Project Paw-Paw: Part 5

Our ’97 F-350’s transformation from farmhand to sleeper continues with the addition of a high-flow electric fuel supply system.

Cummins Owner's Gift Guide: Stocking Stuffers

Looking for the perfect gift for the Cummins owner in your life? These budget-friendly must-haves are sure to light up their Christmas.

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