6.7L Powerstroke Engine
The 6.7L Powerstroke may have some some minor flaws, but they are easily remedied by the team over at Choate Engineering Performance.

12-Valve 6BT Cummins Engine
Eric Lucy and his 16-year-old son have been hard at work over the past two years building a 12-valve Cummins to drop into his F-250 King Ranch. Check it out!

6.7L Turbocharged Cummins Engine
Jessie Harris’ Cummins-powered Chevy C10 won the Fastest Diesel honor at Sick Week 2023. We were there to get the inside scoop on the 6.7L under the hood. Check it out!

1,500-Horsepower LB7 Duramax Engine
Rick Fletes first dropped this LBZ Duramax under the hood of his 1970 Chevelle 14 years ago. Since then, he’s put around 150,000 miles on the car and has showed it off at countless drag competitions. Check it out!

Single-Turbo 5.9L Cummins Engine
New Performance Automotive owner Steve Burton built this 5.9L Cummins engine for a Pro-Street diesel spec’d pulling truck. Check it out!

1,000 Horsepower LB7 Duramax Engine
Like many before him, Bryan Woitas got bit by the diesel bug after experimenting with some mild power-adders on his daily driver. Years later, he has a 1,000-horsepower LB7 Duramax to show off!

Ryan Milliken’s 6.8L Cummins-Powered ’69 Nova
Ryan Milliken’s ’69 Nova currently holds the X275 1/8th mile record at 183 mph, which was set last December at the Snowbird Outlaw Nationals. Under the hood is a beefy, Freedom Racing Engines-built 6.8L Cummins engine that makes around 3,100 horsepower. Check it out!

6.8L Cummins Engine
This Freedom Racing Engines-built 6.8L Cummins is sure to provide more than enough power for Jen Pushler when it’s under the hood of her pulling truck. Check it out!

Compound Turbo 5.9L VP44 Cummins Engine
Drew Carter is one of those guys who just won’t let the 5.9L VP44 die out! With this build, he’s another guy who has shown that it still has some staying power in the diesel racing world. Check it out!

6.6L LLY Duramax Engine
Brian Tom’s 05′ Silverado “Goldilocks” is powered by a 6.6L LLY Duramax that makes around 1,100 horsepower on nitrous, it’s our Diesel of the Week. Check it out!

Engine Builder Magazine’s 2022 Diesel of the Year Winner
Out of the more than 50 diesel engines profiled in 2022, it was a compound turbo 6.7L Cummins engine built by Frank Davis of Sin City Diesel & Off-Road that took home the Diesel of the Year 2022 honors.
Compound Turbo P-pumped 24v Cummins Display Engine
Dakota Sargent of Fullhook Diesel knows a thing or two about 24v Cummins engines, so he took it upon himself to build a custom display engine that kids could rev up at events. Check it out!
