Diesel of the Week Archives - Engine Builder Magazine

Latest Diesel of the Week

More Diesel of the Week

Single-Turbo 3.0 Limited Pro Stock Cummins Engine

Being limited on air means Limited Pro Stock engines need to be built creatively in order make enough horsepower to overcome the class restrictions. This competition Cummins engine was built by Dustin Harrison and the team over at Apex Diesel Performance for diesel pulling competitor Trent Krulik. Check it out!

1,400-Horsepower Turbocharged LB7 Duramax

Since 2019, Daman Perry has been building up his diesel performance shop DP Customs. To show off his work, he’s been continually upgrading his 03′ Duramax truck, complete with a 1,400 horsepower LB7 to boot. Check it out!

Triple-Turbo 6.7L Cummins Engine

The former ATS Diesel race truck is now owned by Justin Lyons of RG Diesel, complete with an engine rebuild and ready to debut next month at the Thoroughbred Diesel Throwdown. Check it out!

Twin-Turbo 5.9L Cummins-Powered Lamborghini

The last thing that comes to mind when thinking of a Lamborghini is a diesel engine, but that apparently wasn’t the case for the guys at 1 Way Diesel Performance…

Compound Turbo 6.7L Cummins Engine

Many of the guys at the top of the diesel sled-pulling totem pole often use the 6.7L Cummins for their builds, both for its reliability and efficient power making potential. Michael Brown just finished up work on this Cummins that he’ll be using this year at events like King of the Street. Check it out!

Billet 6.0L Powerstroke Engine

Leave it to Jared Alderson and the guys at Kill Devil Diesel to build a kickass Powerstroke engine! This competition-level, billet aluminum 6.0L will be going under the hood of KC Turbo’s truck for the upcoming race season. Check it out!

Compound Turbo 6.7L Enforcer Engine

The popularity of D&J Precision Machine’s Enforcer series engine can’t be understated. We checked this one out at the 2022 PRI Show.

Coffman Starter 24-Valve 5.9L Cummins Engine

This 24-valve 5.9L Cummins is your average workhorse build for pulling trailers… until you learn about the Coffman-inspired starter James Crutcher built for this engine.

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!