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!

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. 

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. 

You newer Powerstroke owners are going to want to listen in on this episode. Finally, there is a way to bypass ECM swaps to tune your 2020-2021 Powerstroke 6.7l diesel. The boys break it all down here!

Paul and Nick give you an update on the big Cummins that was supposed to be a UCC truck ions ago. This thing has gone through a ton and Nick breaks down all the upgrades, mods, and mishaps along the way!

Mike Hanzuk is back on the show to discuss what happens after the EPA raids your shop for deleting diesel trucks. This stuff is rough for us enthusiasts and that is what Mike is at his core. Mike thanks for sharing your story and we look forward to having him back!

The title says it all. You're doing manual regens wrong! The guys tell you how to know if you need to put your truck in a manual regen, why it's important, and how to actually perform a manual regen.

Going back and re-sharing this episode on tuning and smoke! Paul and Chris discuss how much smoke is the enemy when it comes to tuning. A smokey diesel is an unhappy diesel. Tuning is a science and if done improperly, it can make for a truck that has issues.

Our How-To Series rolls on. The boys tackle crank no-start this week. It's something many of us diesel owners have experienced, but how do you diagnose this? Paul and Chris have got that question covered this week!

Paul and Jaden show you how to do a boost test on this Roxor. This kit from Calibrated Power works the same way on diesel trucks as well. Boost testing is something every diesel owner should do to ensure their truck is performing optimally.

Chris and Super Tech Jeremy run down how to remove a valve body from this LBZ Allison Transmission. They give you tips and pointers on what you need to do when/if it's time to replace yours. Be on the lookout for our How To series over these next few weeks!

Paul and Chris take out the L5P beast that is known as "Can't Stop." 40-inch tires, massive lift, freshly installed Stealth 64 for the L5P Duramax. The boys are shocked at how this monstrosity drives.... take a look!

The boys take you for a ride with the 2017 PowerStroke and the BRAND NEW 2015-2019 Stealth 67G2 for 2015-2019 PowerStrokes. They touch on the process at which it was designed and built, what you can expect from this turbocharger, and how much they enjoy getting behind the wheel of this 6.7L even more so.

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.

The DIY GOAT himself, Turba Tom, is here to discuss his weekend with ONE truck in the Ultimate Callout Challenge! Tom put it down and had one hell of a weekend. He also talks to the boys about how he learned what he did and how he documents it to help more diesel enthusiasts get their hands dirty and into building a bad ass truck.

Tony and Tyler Burkhard from Dirty Hooker Diesel drop in to talk about how UCC 2022 went down for them! Tony gives an update on how a lot of folks think the event should be scored, him and Tyler's goals with ODSS, and much more!

Paul and Chris are joined by Christ Patterson on this episode. Chris put it down at UCC 2022, taking his Cummins are pushing its limits (he always does). The guys talk about how he put in an amazing weekend while only using one truck, what new competitors can expect, and so much more.

Lavon sits down with the boys to talk about Justin Zeigler's Cummins hitting 3,300+ horsepower. He also talks about Firepunk, ODSS, and the future of racing for Lavon and crew!

Justin Zeigler has done it again! Back-to-back UCC champion. Setting dyno records. What more can he accomplish? The boys dive into what's next and how last weekend played out for the UCC two-time champion.

The boys are joined by Lenny Reed to talk about 3,000HP CARB certified injectors, pushing the limits of fuel, and the future of competition with diesel on this weeks episode. Lenny is gave an absolute masterclass on this episode, enjoy!

With Lenny Reed making headlines before UCC, we wanted to rebroadcast this older episode on injectors with the man from Dynamite Diesel!

Paul is joined by the man, the myth, the legend, Tony Burkhard! He discusses the upcoming UCC event and how he plans to attack the competition this year.

You know the truck, you know the name. We have Derek Rose back on after he set a wild record! He breaks down how it happened, what it took, and what he expects with his truck at this upcoming UCC!

We get a ton of questions regarding fuel additives, so we got Kyle Fischer of Hot Shot's Secrets to tackle them! There are quite a few unknowns/ misnomers when it comes to additives and Kyle is here to set the record straight.

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!

With the boys covering all things fuel, we figured now would be a great time for an older episode with Randy from Exergy Performance. Fuel additives: snake oil, or science?

You love trucks, we love trucks. With that being said, Paul and Chris are taking a break from our everything fuel episodes to give you a look into a new project over at Duramaxtuner. Ecoboost Vs! Take a peek at the first episode of Ecoboost Versus here. Be on the lookout for new episodes monthly involving comparisons, fuel, towing, etc.

The boys are joined by Brandon Lawson! Brandon is an expert with running waste veg oil in his 7.3 Powerstroke. For over 16 years he's been doing it and he tells you how he got there, what it takes, and some fun stories along the way. Thanks again Brandon for sharing your story!

Paul and Chris are joined by Graydon Blair of Utah Biodiesel Supply! Graydon gives you an in-depth dive into the life of someone that runs their truck on biodiesel. He lets you know what it takes to get into it, what to expect, and serious questions to ask yourself before making the switch.

Paul and Chris are joined by Graydon Blair of Utah Biodiesel Supply! Graydon gives you an in-depth dive into the life of someone that runs their truck on biodiesel. He lets you know what it takes to get into it, what to expect, and serious questions to ask yourself before making the switch.

We have a unique guest this week, Matt Roberts of Springboard Biodiesel joins us on this weeks episode. With the rising prices of fuel, people are looking for alternatives, Matt talks about how this can be beneficial and how it's process works if you do think this may be right for you. He touches on a lot of questions people ask when it comes to using biodiesel in their vehicle. Thanks to Matt for dishing out his wealth of knowledge to us this week!

We kick off our everything fuel month with Ryan McClanahan of S&B Tanks! He discusses the most asked questions when it comes to aftermarket fuel tanks. Why do you need one? How beneficial are they? What's the purpose? He answers it all on this week's Diesel Performance Podcast!

Paul and Chris are going to be taking the next few weeks to discuss everything fuel! Additives, common rail, lift pumps, and blends. Get ready for a ton of knowledge in the realm of fuel.

Chris is joined by Andrew from HP Tuners! They discuss what the future holds for HP Tuners, every single thing their tuning platform supports (it's vast), and so much more.

Paul and Chris discuss the two most needed upgrades on your 2020-2021 Duramax, Cummins, and Powerstroke! They give an in-depth view on why these upgrades will benefit your newer diesel truck.

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!

Paul and Chris take an L5P brought in for the new Stealth 64 and upgraded 10 Speed Shift Kit from Ratio Tek. The boys were not disappointed with either! They break down what they love about the shift kit in this video!

The boys are joined by Arod and Cody from Powerstroke Tech Talk! They give their knowledge and insight about the Powerstroke platform, specifically the 6.7. They touch on topics such as the 10 speed transmissions and much more!

Check out the show over on YouTube at Powerstrok Tech Talk With Arod, check it out!

We got a unique one this week. Paul is joined by Tommy, resident Stealth Turbo builder at Calibrated Power, and they show you how to build a 351cw Stealth 64. If you are listening and not viewing, head over to our YouTube page for this one, it's interesting!

Paul and Chris discuss how much smoke is the enemy when it comes to tuning. A smokey diesel is an unhappy diesel. Tuning is a science and if done improperly, it can make for a truck that has issues.

That's right. We are putting out a DPF on sled pull challenge. Paul and Chris break it down right here!

Chris Ehmke chats with Justin Zeigler to discuss what he plans to do to retain his title of UCC champion! Justin talks about changes to his diesel this year, how he plans to win again, and much more.

The title says it all! David Shepard from Hoosier Diesel talking about L5Ps, fixing 6.0s, and how to keep builds realistic. We are rebroadcasting one of our most downloaded episodes of 2021. We look forward to bringing your the best diesel content this upcoming year.

Paul brings you two Diesel Insights videos, one is pids and gauges that you SHOULD be using. The other is how CP3s work and why they fail. He also sits down with Anthony, Jeremy, and Sean to discuss what they plan to bring to the show in 2022! Thank you listeners and viewers for a great 2021. LFG!

Duramaxtuner + Hummer = one bad ass ride! Jeremy and Nick take the DuraHummer out for a ride to discuss all that has been done to it, what it rides like, and why this is one bad vehicle. Anyone that's been in one of these know how loud they are in-cab, add massive tires and well, we apologize for the sound quality. Enjoy and have a Merry Christmas!

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!

Paul and Chris discuss which type of injectors suit the type of build you are going for in your diesel! Super Tech Jeremy runs down some great diagnosis tips and Sean helps get your DSP5 switch operating correctly again.

Paul Wilson and Nick Priegnitz take you on a ride with the NEW DT44 Stealth Turbo for 2.8L Duramax trucks on this episode of the Diesel Performance Podcast! This turbo is about ready to be released and they discuss why it was created, what makes it the best on the market, and why your 2.8L would need this upgraded turbo!

The boys are joined by Tyler Loewen of 23 Diesel and Offroad to discuss his 500+HP 6.5L. Tyler has taken this 6.5L and done the unthinkable in the world of diesel. Such a great story and he wants us to let everyone know he will be the first and only 6.5 diesel ever to compete at the big show, the Ultimate Callout Challenge. Be on the lookout!