Riffraff Diesel Technical Knowledge Center
Powdered Metal Rods: What are they? Why are they a problem? And how to check for them.
Posted by Adam Blattenberg on Oct 5th 2025
Let’s talk about Powdered Metal Rods, or PMR’s as they’re more commonly called. If there’s one thing that causes the most damage to the 7.3L Powerstroke in one shot, the PMR is
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Stripped HPOP mounting bolts on your 7.3? We have the solution right here:
Sep 27th 2025
Stripped out HPOP mounting bolts on your 7.3 Powerstroke? Don't worry, it's extremely common and no, you don't need to hunt for a new-to-you front cover (although our billet front cover is pretty neat
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7.3 Fuel Bowl Leaks: Get rid of them for good
Sep 12th 2025
One of the more common leaks on the venerable 7.3L Powerstroke is from the fuel bowl. Doing a full rebuild when you first acquire a new 7.3, or when a leak arises is best practice. Our Complete Fuel B
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7.3L Powerstroke Glow Plugs: Full step-by-step how-to replacement
Sep 12th 2025
Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff%20Diesel%207.3L%20Glow%20Plug%20Replacement.pdf
Product Link:
Glow Plugs: https://www.riffraffdi
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7.3 Powerstroke: What to look for when buying
Sep 4th 2025
The used market has been pretty hot for the last several years. Our old trucks are getting more popular every day! If you’re looking for a new-to-you 7.3, there’s a few things that are wor
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