Riffraff Diesel Technical Knowledge Center

7.3 Powerstroke Injector Cup Replacement: Tips and Tricks

7.3 Powerstroke Injector Cup Replacement: Tips and Tricks

Posted by Adam Blattenberg on Aug 21st 2025

The legendary Ford 7.3L Powerstroke diesel is famous for being a reliable workhorse, but like any engine, it has its weak spots. One very common issue is leaking or damaged injector cups, which can le … read more
Low Pressure Oil Filtration - Not all 7.3's are built the same

Low Pressure Oil Filtration - Not all 7.3's are built the same

Posted by Adam Blattenberg on Jan 27th 2025

Good clean oil is extremely important to a 7.3L. Moreso than for most other engines. That's because the oil is used differently than with most other engines. The 7.3L injection system is more like a h … read more