The Diesel Podcast

The Diesel You’ve Never Heard Of

In this episode, we sit down with J&K Engines to take a closer look at the 4.5L Powerstroke - where it came from, what vehicles it was used in, the years it was available

Biggest Problem with 68RFE’s in 2026

John Muldoon from Muldoon’s Performance Transmissions joins us to talk about the biggest problem facing 68RFE’s in 2026. And it’s not what you think. He also tells us com

New Cummins Record from the Bonneville Salt Flats!

Salty Box Racing set a new diesel record and the team joined us from the track! We go behind the scenes at Speed Week 2026 and learn about their Cummins, challenges in th

Best Cummins for an Engine Swap?

Are some factory engines beyond hope and just need a different engine entirely? Diesel Conversion Specialists joins us to take an in-depth look at all Cummins engines, wh

This Muffler Lets Your Diesel Be Loud OR Quiet

Glory Days Speed Shop is back on The Diesel Podcast to talk about the latest updates to the Thunder Muzzle and the idea behind giving diesel truck owners control over the

Biodiesel is Already in Your Fuel - Why It Matters

Power Service joins us to talk about biodiesel and what diesel truck owners need to know about the fuel going into their tanks. Biodiesel can offer benefits, but it can

Why Diesel Injector Sizing is Confusing

Diesel injector sizing can get confusing fast. Percent over, hole size, liters per minute (LPM)—what do these ratings actually tell you, and how do you know which injecto

Cooling System Mistakes That Can Hurt Your Engine

Modern diesel engines generate a lot of heat, and keeping that heat under control puts a huge demand on the cooling system. But how often should you actually change you

You Could Be Buying the Wrong Fuel Filter

Not all diesel fuel filters are created equal—and choosing the wrong one could affect your truck's performance, reliability, and even the life of your fuel system. On

Diesel Upgrades Mechanics Actually Recommend

What diesel parts are actually worth buying? In this episode of The Diesel Podcast, we bring together Fleece Performance Engineering and Domestic Diesel, a California d

The Diesel Parts Scam Costing You Thousands

Not all diesel parts are created equal. In this episode of The Diesel Podcast, we sit down with Snyder Performance Engineering to discuss the growing problem of copied

What's Hiding in Your Diesel Fuel? (This Test Was Shocking)

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He Went to Prison. His Warning for Diesel Truck Owners.

A Presidential Pardon closed one chapter—but according to today's guest, the conversation about diesel emissions enforcement is far from over. On this episode of The Di

The Smart Way to Build a 4th Gen Cummins

This week's guest shares his journey from working on diesel vehicles in the military to finally purchasing the Cummins truck he'd always wanted. We talk about why he chos

Raided for Diesel Parts... Life Changed Forever

Wade LaLone of Diesel Freak shares his story on today's episode. He takes us through the day EPA officials and law enforcement arrived at his shop, the years of uncerta

Can I Delete My Truck Now? EPA Pardons Explained by a Lawyer

Can you delete your truck now? Can the EPA still fine you? Did the recent EPA pardons actually change anything? In this episode of The Diesel Podcast, attorney Stewart

This $2 Cummins Part Can Destroy Your Engine

If you own a 6.7L Cummins, this is an issue you need to know about. In this episode of The Diesel Podcast, we talk with a professional diesel shop owner about the Cummi

Is This The Ultimate Transmission for a Cummins?

The 68RFE has been one of the most debated transmissions in the diesel truck world. Some owners have had great luck with them, while others start looking for alternativ

The Truth About Oil Additives

In this episode, we're joined by the team from Rislone to discuss what oil additives are designed to do, why they were created, and the situations where they may benefit

Is Diesel Oil Getting Hard to Find?

We’ve heard reports of oil shortages potentially extending into 2027 due to supply chain issues. A diesel shop tells us if they are seeing any restrictions and if it co