Diesel Performance Podcast

Diesel Performance Podcast

Anthony Bruneni, Chris Ehmke, Justin Tyson

Updated 2 days ago
View trending cars on this show

The Diesel Performance Podcast is a conversation, debate, and everything else about the three main domestic diesel engines: Duramax, Powerstroke, and Cummins. Hosts Paul Wilson and Chris Ehmke cover topics every diesel owner wants to know. If you love diesel engines and light duty pickup trucks - you've found the perfect podcast.

Are you the creator? Get your badge · Claim this podcast

Episodes (668)

The History and Progression of Engine Control Modules With Nick Priegnitz

Chris Ehmke is joined by Nick Priegnitz, of Duramaxtuner, to discuss in detail the evolution of engine control modules and how tuning has progressed over the years! Nick breaks down the history of GM's Duramax ECM platforms, walking through key model year ranges,from early LB7 and LLY trucks to LBZ, LMM, LML, and the latest L5P platforms, and explains how hardware changes, operating systems, emissions systems, and security updates shaped the tuning landscape.  They also discuss the major ECM milestones that changed the diesel performance industry, how emissions regulations impacted tuning development, differences in tuning strategy, and where ECM technology and diesel calibration are headed next Professor Nick utilizes his almost 20 years of diesel tuning knowledge to give us an episode with immense amounts of knowledge. Enjoy!  

Mar 02, 2026 40 min

$20K To The Winner - The Blue Collar Average Joe 2WD No Prep Diesel Truck Class - Charlie Fish KC Turbos

We got a bonus episode! Anthony Bruneni and Chris Ehmke are joined by Charlie Fish of KC Turbos. He called in to discuss a new diesel class he created for this weekend February 26-28th, The Average Joe Blue Collar 2WD No Prep Diesel Truck Class. Why did he create this race? The spirit of racing isn't how much money you throw at a truck, it's about the passion. Charlie breaks down the rules, what drivers and spectators can expect, and what this class means to the diesel industry. Oh, we forgot to mention that $20k goes to the winner! Want to go to the race? Buy tickets by Clicking here  Want to learn more about the race? Click Here

Feb 25, 2026 43 min

$70k Goes To The Winner - Lavon Miller Discusses the 2026 Seventy2Fast!

Anthony Bruneni and Chris Ehmke are joined by Lavon Miller to discuss what he's been up to, but really they had to get the scoop on what's up with the Seventy2fast race going on this year down in Indy during UCC weekend. The amount of interesting aspects and the amount of money that is on the table for the competitors is mind boggling. The Seventy2fast has $500 callouts, where racers can target a specific driver to beat after putting down their money and the target matching, winner of a head-to-head race takes the money. Contigencies for Powerstroke and Duramax, Powerstrokes can win an extra $11k if they take home 1st place and Duramax drivers can earn an extra grand per round if they beat a Cummins or Powerstroke and an extra $3,000 to a winner racing a Duramax. $70k goes to the winner! Lavon walks us through everything about this race and we have to be honest, we haven't been this excited for an event in a while. Check out the event by visiting www.seventy2fast.com or following Lavon Miller's social media channels. Take a listen!

Feb 23, 2026 46 min

Engine Dynos! The Build Process, Explosions, and Fires!

Anthony Bruneni and Chris Ehmke have on our resident engineer / engine dyno / data man / destroyer of turbos guy Dan Timmer! Dan sits down to discuss what it actually takes to get the engine dynos running, the tyoes of testing he conducts, the occasional fire and explosion and more. We've now utilized 6.7L Cummins engine; LBZ, L5P, and 3.0L Duramax engines, and soon a Powerstroke 6.7L engine. If you like data or carnage, you will love this episode! If you have any ideas for episodes for the future or would like a certain guest on, please let us know on our Facebook page or message us or drop a comment!

Feb 16, 2026 45 min

WE'RE BACK! Let's Talk Tuning Newer Powerstrokes, 24+ L5Ps, and 3.0Ls

The Diesel Performance Podcast is back! Chris Ehmke and Anthony Bruneni have resurrected the show and we have plans that will make our fellow diesel enthusiasts excited for what the future holds. Interviews, horsepower recipes, diesel events, competitions. Get ready! First off, we reintroduce ourselves with what has been happening around the industry with tuning (specifically the 2024+ L5P, 2023+ Powerstrokes, and the 3.0L Duramax). The boys also discuss what 2027 is looking like in regards to change for diesel truck makers. We are stoked to be back! If you have anything you want us to cover or discuss, leave a comment, message our podcast Facebook page, or reach out to any of us. We look forward to a new chapter of the Diesel Performance Podcast!

Feb 09, 2026 20 min

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 put down a new record on the dyno. 4,157 HORSEPOWER. Insanity. He walks the boys through how he accomplished it and what you can expect to see out of him in the future. 

Sep 19, 2025 46 min

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 ease at which tuning for the end user will be, and how adding 100+ HP is going to feel a lot different in these newer Powerstroke trucks. 

Jun 30, 2025 25 min

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 of the competitors and their teams. The whole thing is about survival. Chris is a survivor, he put down a screaming 5.54 at the drags, 2,300 horsepower on the dyno, and 318 feet in the sled pull. He gives us all the details on this episode!

Jun 09, 2025 53 min

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 place. He breaks down the weekend, his big 3,100+ horsepower dyno run, racing, and his Sunday at the pull. Congrats on the win, Josh!    Follow him on Instagram & TikTok: @justacommonrail24v YouTube: Horsetorques Diesel 

Jun 07, 2025 55 min

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 with having his eyes one time set on the Diesel Power Challenge nd having competed at King Of The Streets, he's ready to throw down at the UCC. Humble, determined, and doing wild things with such a cool Cummins, we are stoked to see what Patrick accomplishes this weekend!

May 30, 2025 23 min

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 improving his results; these factors position Robby to finish quite high this year. One thing we know will happen, Robby will have a blast and bring that vibe to the whole field. Good luck, Robby!

May 29, 2025 20 min

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 at his first event. The man is in hustle mode and it's hard not to admire the drive and work ethic. Last year two spots on the podium were grabbed by rookies, will Cody continue the trend? We hope so, good luck Cody!

May 28, 2025 21 min

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 competition. New Cummins, big win? We are excited to find out. Thanks for joining the show, Mike! 

May 28, 2025 19 min

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 will do at the event this year. Another podium finish? One spot higher and grab the win? He's got what it takes. Be sure to check out Colt's shop as well, Black Magic Performance. 

May 27, 2025 27 min

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 dyno portion of UCC, first in sled pulling, and as high as 2nd in the drag races. Will this be his year to finish atop the pack? He's got a damn good chance. Thanks for chatting with us Chris, we appreciate you. 

May 22, 2025 29 min

Will He Improve From His 2nd Place UCC 2023 Finish? Josh McCormack Chats With Us

Josh McCormack joins Chris Ehmke to kick off our UCC 2025 driver interviews! As the official podcast of the Ultimate Callout Challenge, it's time to get to know the drivers. Josh discusses with Chris what he's looking forward to at this years competition. After taking a year off for family, Josh got the itch to compete again while watching the event last year on the live stream. Will he improve that 2nd place podium finish in 2023? He definitely looks like one of the strong contenders.

May 21, 2025 30 min

EPA And DOJ Happenings With Kory Willis OF PPEI / Paul Wilson's Finale

First things first, this is Paul Wilson's final episode on the Diesel Performance Podcast. Paul has been hosting this podcast and founded it since it's inception in 2015. Over 2 million downloads and millions of more listens. We can't thank Paul enough for all he's done. Thanks for the 10 years bro, we love you. Our episode today is with Kory Willis of PPEI. Paul and Chris discuss everything Kory knows about what is going on with the EPA and DOJ, how these things have effected his life in diesel tuning, and so much more. Kory is always one of our favorite guests and this episode is an absolute banger. Enjoy!

Apr 25, 2025 48 min

2025 Cummins: Behind The Wheel!

Paul Wilson and Chris Ehmke get behind the wheel of a 2025 Cummins and let you know how they feel about this 5thish? 6th Gen? Cummins.  New turbo ✓ Grid Heater... Out, Glow plugs In External injectors ✓ Side Draft Intake ✓ New 8-speed transmission✓ So how do the boys feel about it? Take a listen!

Apr 11, 2025 16 min

Instant Tuning With EZ Lynk For L5P Duramax!

No more swapping ECMs, no more plugging in unlock cables. EZ Lynk has the goods where all you do is plug into the OBDII and flash your 2017-2023 L5P Duramax, and the custom tunes will flash without needing to do an unlock or ECM swap! Paul and Chris are joined by Tim Mahoney, the lead tuner at Duramaxtuner, to discuss the future of tuning now and what you can expect!

Mar 27, 2025 36 min

The L5D Is No Longer Weak AF

The little intricacies of what a diesel owner needs and utilizes his truck are something you always have to take into consideration when it comes to building mods and tuning.  How did that come into factor how the custom tuning of a the underpowered L5D come about? What about building the Stealth STR for these very specific 6500 Duramax trucks? Well, Nick gives you the minutia of detail right here!

Mar 19, 2025 33 min

Lifted L5D 6500 Duramax On 43s With Tuning and Stealth!

Paul Wilson and Chris Ehmke take you on a ride with a truck that dwarfs our L5P. The boys get behind the wheel of a 6500HD L5D Duramax that is massive. These trucks leave the factory with a lot of power to be desired and that's where DuramaxTuner stepped in with custom tuning and a Stealth STR Turbo. The results? Well let the boys tell you in detail!

Mar 11, 2025 21 min

Diesel Super Tech TikTok

Paul sits down with Jeremy Garnett, technician at Duramax / Calibrated Power, to talk about big blocks, L5Ds, why the LML is the worst to wrench on, and what he tries to show online for others that don't get under the hood of as many trucks as he does. Paul closes out the show with a diesel insights regarding blowing up an engine dyno. Anything you want to hear talked about? Let us know!

Mar 04, 2025 23 min

2024 L5P Tuning?!

The boys are back! First episode up.... 2024 L5P tuning?? Oh yes. Paul Wilson and Chris Ehmke are joined by Jacob White of Edge Products to discuss just that, 2024 L5P tuning. They have all the new info right here and discuss much more such as how custom tuning is expanding on the Edge CTS 3(+), they discuss the complexities of unlocking the new ECMS and TCMs, and discuss what other makes are on the horizon for Edge's plans(Powerstroke, Cummins guys pay attention). Enjoy this episode and get ready for many more!

Feb 26, 2025 27 min

EGR Solutions With Jake And Spencer Of FASS

Paul Wilson and Chris Ehmke are joined by Jake and Spencer of FASS EGR Solutions, which is its own entity of the FASS Fuel family. We are big fans of all their products and in this episode, they detail all the interesting products, developments, and the future of EGR solutions! This episode was recorded in late 2024 and we had some technical difficulties, but we are happy to share this with you now. Enjoy.

Jan 13, 2025 35 min

Custom Tuning With Edge CTS3?! Jacob White Of Edge Products

The title says it all! Jacob White of Edge Products joins Paul Wilson and Chris Ehmke to discuss the newest Edge feature, flashing custom L5P tuning with the Edge device. They discuss the process it took to get here, Duramaxtuner working with Edge to launch the custom L5P tuning, and what the future holds for other RPOs and Makes with Edge!

Nov 14, 2024 33 min