Riffraff Diesel Technical Knowledge Center
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
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Common Fluid Leaks, 7.3 Edition: Symptoms, Causes, Prevention and How To Fix Them
Posted by Adam Blattenberg on Jul 16th 2025
7.3L Powerstroke owners have always been ridiculed for marking their territory (i.e., leaking oil, leaving spots wherever they park). We’re going to plead the Fifth on the validity of that state
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The 7.3 Cooling System: Differences between OEM and mass-produced aftermarket water pumps, hoses and fan clutches
Posted by Adam Blattenberg on Jul 10th 2025
Summer and the towing season are in full swing. With the temps getting ready to go even higher across the nation, we figured it’s a perfect time to talk about some cooling system components: wat
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Powerstroke Maintenance - Fluid Types, Capacities, Intervals and Commonly Missed Items
Posted by Adam Blattenberg on Mar 13th 2025
Assuming no outside factors like accidents or racing are involved, the life and death of a truck is based on maintenance. Good diesel truck maintenance is what keeps it on the road for several hundred
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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
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