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The Diesel Podcast: Daily Summaries Delivered
by The Diesel Podcast
What is goin' on Diesel Nation? The Diesel Podcast is your source for all things diesel. Cummins, Duramax & Powerstroke. From mild to wild, we deliver the latest updates from all the biggest names in the industry. Keep the shiny side up!
Latest Episodes
The most recent episodes — sign up to get AI-powered summaries of each one.
- 2 days ago40 min
Don’t Rebuild a 6.7L Powerstroke Without These Upgrades
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
- 4 days ago35 min
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, 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 engine worth knowing about. Learn more about your ad choices. Visit megaphone.fm/adchoices
- 1 weeks ago1h 5m
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 common mistakes that happen with transmissions and how we can avoid expensive repairs. Learn more about your ad choices. Visit megaphone.fm/adchoices
- 2 weeks ago1h 15m
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 the environment, and the thrill of competing at these intense speeds. Learn more about your ad choices. Visit megaphone.fm/adchoices
- 2 weeks ago57 min
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, 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
- 2 weeks ago1h 0m
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 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 owners. We also get into the story behind Glory Days Speed Shop—from developing an idea and launching a new diesel product to growing the company and figuring out what comes next. If you like the sound of a straight-piped diesel but don’t necessarily want to live with it every mile, this episode is for you. Learn more about your ad choices. Visit megaphone.fm/adchoices
- 3 weeks ago58 min
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 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 fuel quality can affect filters and other fuel system components, and what owners can do to help prevent fuel-related problems. Learn more about your ad choices. Visit megaphone.fm/adchoices
- Aug 14, 20261h 17m
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 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 right injector needs to match the horsepower goals and overall setup of your truck. Whether you're building a Cummins, Duramax, or Power Stroke, understanding injector sizing can help you make better decisions before spending money on your fuel system. Learn more about your ad choices. Visit megaphone.fm/adchoices
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About The Diesel Podcast
What is goin' on Diesel Nation? The Diesel Podcast is your source for all things diesel. Cummins, Duramax & Powerstroke. From mild to wild, we deliver the latest updates from all the biggest names in the industry. Keep the shiny side up!
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