The Diesel Podcast

55:00

Is Red Dye Diesel Safe for Your Truck?

The Diesel Podcast ·

2026/10/09

Red dye diesel was recently approved for use on public roads and people are asking - is it safe to use? Power Service joins us today to answer if it’s ok for modern diesel trucks. We also talk about three proactive steps to winterize our trucks before Winter really hits.Learn more about your ad choices. Visit megaphone.fm/adchoices

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54:11

This Upgrade Can Make Your Transmission Last Longer

The Diesel Podcast ·

2026/10/08

One of the most overlooked upgrades for transmissions is the cooler itself. Fluidyne joins us today to talk about diesel transmission coolers, when an upgrade is in order, and the difference between aftermarket options. We tackle the questions of why temperatures matter, how some aftermarket coolers make the transmission hotter, and details in construction that separate a bad cooler from a great one.Learn more about your ad choices. Visit megaphone.fm/adchoices

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80:41

Why Diesel Manual Transmissions Fail - and How to Fix...

The Diesel Podcast ·

2026/10/02

Andrew at Long Range Gear chats with us about manual transmission failures, the challenge with discontinued parts, and ways he is innovating with cutting edge technology. We go over G56, NV5600, NV4500, as well as ZF5/6 transmissions and components. From case flex to synchros and fluid recommendations, this episode has it all!https://www.youtube.com/camaro72andrew Learn more about your ad choices. Visit megaphone.fm/adchoices

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61:38

Are Truckers Really Going on Strike Oct 1st?

The Diesel Podcast ·

2026/09/29

There’s been online noise about a potential trucker strike on October 1st. We ask a trucker what he’s seeing and hearing on the road and from fellow truckers. Why would they strike and is it real?Learn more about your ad choices. Visit megaphone.fm/adchoices

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58:03

Before You Buy 6.7L Powerstroke Injectors, Watch This

The Diesel Podcast ·

2026/09/25

With some 6.7L Powerstroke trucks getting some miles on them, worn out injectors can become an issue. Holder’s Diesel joins us to go over what to look for, sizing a set for your use or build, and cutting edge technology fueling their injector development program.40% OFF KERSHAW KNIVES with code: DIESELPOD40 Discount code valid until December 31, 2026 40% off your entire cart at Kershaw Knives with code: DIESELPOD40 FREE Shipping over $50 https://kershaw.kaiusa.com/ Learn more about

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56:25

A Big Change is Coming to Diesel Oil

The Diesel Podcast ·

2026/09/23

In a few months, the oil we can purchase on the shelves changes. Shawn Whitacre, Principal Engineer at Chevron Lubricants, joins us for an in-depth look at the changes. We also discuss how the Delo lineup is formulated for high stress areas in modern diesel engines. 40% OFF KERSHAW KNIVES with code: DIESELPOD40 Discount code valid until December 31, 2026 40% off your entire cart at Kershaw Knives with code: DIESELPOD40 FREE Shipping over $50 https://kershaw.kaiusa.com/ Learn more about your

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40:57

Don’t Rebuild a 6.7L Powerstroke Without These Upgrades

The Diesel Podcast ·

2026/09/18

Early 6.7L Powerstroke owners can take advantage of the improvements Ford made to the engine in 2020+ models. J&K Engines details how every 6.7L Powerstroke that leaves their facility comes with the updated steel pistons and rotating assembly upgrades seen in current 6.7L Powerstrokes. We discuss how this impacts long-term reliability and performance for those maximizing longevity. Learn more about your ad choices. Visit megaphone.fm/adchoices

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35:28

The Diesel You’ve Never Heard Of

The Diesel Podcast ·

2026/09/16

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, and what made this unusual diesel different. We also dig into the engine design, including the compound turbo setup found on certain versions, and how the 4.5L compares to the Powerstroke engines most diesel owners are familiar with. If you’re a Ford diesel enthusiast and thought you knew the Powerstroke lineup, this is an

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65:35

Biggest Problem with 68RFE’s in 2026

The Diesel Podcast ·

2026/09/09

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 common mistakes that happen with transmissions and how we can avoid expensive repairs.Learn more about your ad choices. Visit megaphone.fm/adchoices

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75:18

New Cummins Record from the Bonneville Salt Flats!

The Diesel Podcast ·

2026/09/04

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 the environment, and the thrill of competing at these intense speeds. Learn more about your ad choices. Visit megaphone.fm/adchoices

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57:18

Best Cummins for an Engine Swap?

The Diesel Podcast ·

2026/09/03

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, which make the best swap candidates, and trucks that can benefit most from the conversion Learn more about your ad choices. Visit megaphone.fm/adchoices

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60:42

This Muffler Lets Your Diesel Be Loud OR Quiet

The Diesel Podcast ·

2026/09/02

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 their exhaust sound. Want an aggressive diesel exhaust when you’re getting on the throttle, but something quieter when cruising down the highway? We talk about how the adjustable muffler is designed to offer both, what’s changed with the latest version, and what they’ve learned from getting the product into the hands of diesel

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58:35

Biodiesel is Already in Your Fuel - Why It Matters

The Diesel Podcast ·

2026/08/25

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 also create new challenges for your diesel fuel system. We discuss how biodiesel can contribute to microbial growth, fuel contamination, storage issues, and additional maintenance concerns that truck owners may not realize are happening inside the tank. We also cover what biodiesel blends mean for modern diesel engines, how

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77:19

Why Diesel Injector Sizing is Confusing

The Diesel Podcast ·

2026/08/14

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 injectors are right for your build?Lenny Reed from Dynomite Diesel Products joins us to break down the different ways diesel injectors are rated and why comparing injectors isn't always as straightforward as the numbers make it seem. We talk about what “percent over” actually means, flow ratings, injector sizing, and why choosing the

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58:12

Cooling System Mistakes That Can Hurt Your Engine

The Diesel Podcast ·

2026/08/12

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 your coolant, and what happens when you leave it in too long? Rislone joins us to talk about diesel cooling systems, proper coolant maintenance, and some of the common mistakes truck owners make. We discuss corrosion and contaminants that can build up over time, how coolant condition can affect heat transfer, best practices when

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68:52

You Could Be Buying the Wrong Fuel Filter

The Diesel Podcast ·

2026/08/07

Not all diesel fuel filters are created equal—and choosing the wrong onecould affect your truck's performance, reliability, and even the life of your fuel system. On this episode of The Diesel Podcast, we sit down with S&S Diesel Motorsport Chief Engineer Ian McGiffen to discuss what separates a quality fuel filter from the rest. We cover filter media, micron ratings, filtration efficiency, common marketing claims, and why two filters that look nearly identical can perform very

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71:09

Diesel Upgrades Mechanics Actually Recommend

The Diesel Podcast ·

2026/08/05

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 diesel repair shop, for a unique conversation about the parts they see every day and the problems truck owners face. We discuss CP3 conversions, 6.0L Power Stroke replacement cylinder heads, electrical pigtails, common diesel truck failures, and how quality replacement parts can improve reliability. You'll hear both

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54:18

The Diesel Parts Scam Costing You Thousands

The Diesel Podcast ·

2026/08/05

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 and counterfeit diesel parts entering the aftermarket. We break down how legitimate American-made diesel components are reverse engineered, copied, and sold at lower prices, why quality often suffers, and what these knockoff parts can mean for the reliability of your Cummins, Duramax, or Power Stroke. We also discuss how

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61:30

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

The Diesel Podcast ·

2026/07/30

20% off HOT SHOT'S SECRET with code: DIESELPOD20https://www.hotshotsecret.com/shop/ Learn more about your ad choices. Visit megaphone.fm/adchoices

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47:05

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

The Diesel Podcast ·

2026/07/17

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 Diesel Podcast, I sit down with Jon Achtemeier who was convicted of Clean Air Act violations, served four months in federal prison, and was granted a Presidential Pardon this July. Whether you own a Cummins, Duramax, Powerstroke, operate a diesel repair shop, or simply want to understand how federal emissions enforcement has

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