Riffraff Diesel Technical Knowledge Center
What's the right type of sealant to use? Stop asking the question... just read this.
Nov 6th 2025
Room Temperature Vulcanizing sealant (aka RTV), or any other type of sealant usage is somewhat of a mystery for most of us. It's ok, you don't need to admit it, but we've all been guilty of rolling th
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The 7.3 Under Valve Cover Harness: Only The Best, From Motorcraft
Oct 31st 2025
The 7.3L Powerstroke utilizes injector harnesses which live under the valve cover (UVCH). These harnesses live their whole lives in a very harsh environment. They exist in a constant hot oil bath. The
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Electronic Repair - When you can't buy new, or fix it yourself, where do you go?
Jul 31st 2025
We started this blog as a way to help our fellow Powerstroke owners keep their trucks on the road and running great. We’ve shared tons of tips and tricks to help you do just that, but often we u
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