UCC Archives - Engine Builder Magazine
Twin-Turbo LB7 Duramax-Powered Z28 Camaro

At the 2022 Ultimate Callout Challenge, the Exergy booth had a Z28 Camaro parked in front. The car caught out attention, but our interest was piqued when we noticed it was a twin-turbo Duramax engine and not a gas engine sitting in the engine bay. We spoke to Lavon Miller of Firepunk Diesel, the shop

Chris Patterson’s Triple-Turbo 6.7L Cummins Engine

Chris Patterson of Unrivaled Diesel has hit some of the highest horsepower levels ever seen on the chassis dyno. We caught up with the Texas-based shop owner to get a run down of his 6.7L Cummins engine and his 2022 UCC weekend. Diesel of the Week is brought to you by AMSOIL INC.

Outlaw Diesel Performance’s Turbocharged 6.0L Powerstroke Engine

It was super hard to walk passed the pit of Outlaw Diesel Performance at this year’s Ultimate Callout Challenge event because of their eye-catching Ford F-350 dually, and that was just the back of the truck! When we got around to the front to see a badass, turbocharged 6.0L Powerstroke, we knew we had to

TJ Frey’s Compound-Turbo VP44 5.9L Cummins Engine

Diesel enthusiast TJ Frey has been upgrading his personal race truck for a six years now, and finally got it out to the Ultimate Callout Challenge in 2022 to show off his work and hit the track. Check out this compound-turbo and nitrous-boosted VP44 5.9L Cummins build!

Mickey Unverzagt’s Turbocharged 6.7L Cummins Engine

Mickey Unverzagt is the co-owner of Dynamic Diesel Performance in Iowa City, IA, and an awesome, patina’d 1952 Chevy with an equally awesome 6.7L Cummins engine under the hood. We caught up with Mickey and his unique vehicle at the 2022 UCC competition to get a better idea of what is truly inside this 6.70

4,000-HP Compound Turbo C15 Engine

It’s not everyday you see a semi truck capable of going over 120 mph in the 1/4-mile. Mario Monette spent years making his semi one of the fastest out there, thanks to a compound turbo C15 engine with 4,000 horsepower on hand! Diesel of the Week is brought to you by  @AMSOIL INC. 

Mattie Graves’ Twin-Turbo LML Duramax Engine

Mattie Graves is an up-and-coming star in diesel drag racing. Along with her dad and their shop, Hollyrock Customs, Mattie competes in the ODSS Pro Dragster class with the help of this twin-turbo LML Duramax engine. She’s looking to race more with PDRA and get her ETs under 4-seconds. See what goes into this Duramax

Single Turbo LML-Based Duramax Engine

Walking the grounds of Lucas Oil Raceway during the 2022 Ultimate Callout Challenge, we spotted Brett Deutsch’s 1969 C10 outfitted with an LML Duramax engine. Naturally, we had to stop and fid out more of the details of this badass truck. It’s our Diesel of the Week brought to you by AMSOIL INC. 

Twin-Turbo LB7 Duramax Engine

It’s not very often you find a diesel engine featuring true twin turbos, and it’s also not very often you find a diesel-swapped muscle car. However, this week we bring you a build that features both! This twin-turbocharged LB7 Duramax was built by Wagler Competition and then installed in a Z28 Camaro by Lavon Miller and Firepunk Diesel. Check it out!

Turbocharged 6.0L Powerstroke Engine

In an era where so many diesel folks opt for a Cummins build, it’s refreshing to see a badass Powerstroke catch your eye. Harlan Clemons is one of those Powerstroke guys, and his turbocharged 6.0L was a sight to see at the Ultimate Callout Challenge. Check it out!

6.0L Powerstroke
Compound-Turbo VP44 5.9L Cummins Engine

TJ Frey has been upgrading his first personal race truck for a few years now, and finally got it out to the Ultimate Callout Challenge to show off his work and hit the track. Check out this compound-turbo and nitrous-boosted VP44 5.9L Cummins build!

5.9L Cummins
Tearing Down Justin Zeigler’s 3,336-HP Cummins Enforcer Engine

Recently, D&J Precision Machine owner Drew Pumphrey invited the Engine Builder team to his Cambridge, OH diesel shop to help tear down Justin Zeigler’s UCC record-setting 6.7L Cummins-based Enforcer engine. We go over what happened during the UCC weekend and what Drew expects to find before tearing it down to see the results.