The Diesel Podcast

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.

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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.

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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.

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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.

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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.

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