Diesel Performance Podcast
1) 4.157 Horsepower? Yeah, You Read That Correctly. Josh McCormack Is Smashing Records
Chris Ehmke and Tim Mahoney are joined by someone you have heard a few times on this show, Josh McCormack! Josh fresh off his UCC win earlier this spring decided he was done with wowing the masses and...Show More
2) The Future Of 2020+ Powerstroke Tuning
Chris Ehmke is joined by the lead tuner at Calibrated Power, Tim Mahoney, to discuss how the 2020+ Powerstroke 6.7 liter world is about to change. They discuss what this means for your 2020+ 6.7L, the...Show More
3) Chris Patterson Talks About His Massive Weekend At UCC 2025
Show favorite, Chris Patterson, owner of Unrivaled Diesel, took second at the Ultimate Callout Challenge 2025! He sits to talk with host Chris Ehmke to discuss how grueling and how much it takes out o...Show More
4) UCC 2025 Winner Josh McCormack!
Josh McCormack has won the Ultimate Callout Challenge 2025! He joins Chris to discuss the weekend. Family man, YouTuber, and an overall great guy. Josh lef it all out there and came back with first pl...Show More
5) We Love This Cummins - Patrick Brown UCC 2025
You have to see Patrick Brown's Cummins he is bringing to his first run at the UCC event. Chris sat down and talked with him about what he expects to see it do. Patrick is no stranger to competitions ...Show More
6) He Doesn't Quit And He's Ready For UCC 2025 - Robby Garcia
One of the show's favorites is back, Robby Garcia joins Chris to discuss what he expects of his truck at this years UCC! This will be his 4th time competiting, a seasoned vet, and continually improvin...Show More
7) Last Year Newcomers Went Off, Will He Be The One To Do That This Year? Cody Hawk UCC 2025
Cody Hawk sits down with Chris on this episode! We get the scoop on the new competitor, from his roots with 7.3s to his preferred Duramax platform. He breaks down what he wants to see out of his truck...Show More
8) Podium Finish In His First Year, Will He Climb Higher In 2025? Mike Brown UCC 2025
Chris has Mike Brown on this episode! Mike has ditched the mega cab in favor of a leaner regular cab, will it push him to the top? Mike left last year's UCC finishing third in his inaugural run at the...Show More
9) The Newcomer Took 2nd, Can He Snag First This Year? Colt Carter UCC 2025
Chris is joined by Colt Carter to discuss how the hell he went from rookie at the start of UCC 2024 to grabbing a 2nd-place finish. Colt is a gamer, and it's going to be fun to watch what his Cummins ...Show More
10) The Man That Threw Down 3000 HP - Chris Patterson UCC 2025
Chris Patterson is back! The green Cummins from Texas that has thrown down 3,000 horsepower multiple times is ready for his final run at the UCC. Chris is a true competitor. He's taken first in the dy...Show More