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Product Spotlight: Fleece Performance Engineering’s Exhaust Brake

The ultimate addition for any 6.7L Cummins sporting a second-gen turbo swap.

Performance Roadblocks of the LML Duramax

Build the Allison, add a lift pump, upgrade the CP4.2, open up the exhaust, upsize the turbocharger and enjoy…

4BT Cummins vs. 1.9L TDI Volkswagen

It’s German engineering meets American brawn in this small diesel shootout.

The Jay-10: A Dazed and Customized ’68 Chevy

A Few Roadblocks Couldn’t Stop This Truck From Getting Completed

Drop it Like it’s Hot: 8 Ways to Lower a Truck

We investigate the 8 most common ways to lower your pickup.

Which engine swaps are right for your off-road rig?

There's no one-size-fits-all solution when it comes to choosing the best engine swap for your off-road rig.

Performance Roadblocks of the ’03-’07 5.9L Cummins

The common-rail Cummins’ factory injection system and turbocharger can support 500rwhp—but you’ll need a built transmission to enjoy it.

6 Quarantine Hacks for Auto Enthusiasts

Continuing the Fun During the Extended Corona Virus Lockdown

How to Maximize the Lifespan of Your Off-Road Tires

Seven steps to extending the life of your all terrain and mud terrain tires

Performance Roadblocks of the ’94-’98 5.9L Cummins

You can make huge power with the ’94-‘98 5.9L Cummins—but only after you unleash the potential of the factory-tamed P7100.

Performance Roadblocks of the ’89-‘93 5.9L Cummins

Breaking through your first-gen Cummins’ horsepower wall begins with a pair of pliers and a screwdriver.

Performance Roadblocks of the 6.7L Power Stroke

The 6.7L Power Stroke’s factory injectors can support 700rwhp—but it takes turbo and injection pump upgrades to get there.

4BT vs. R2.8—Which is the Better Small Displacement Cummins?

Tried and true mechanical simplicity meets modern age tech in this battle of mini diesels.

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