Riffraff Diesel Technical Knowledge Center
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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Diagnosing HPOP Issues on the 7.3L & 6.0L Powerstroke's
Aug 30th 2025
The High-Pressure Oil Pump (HPOP) is the heart of the HEUI (Hydraulically Actuated, Electronically Controlled Unit Injector) fuel injection system used on both the 7.3L and 6.0L Powerstroke. When the
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Ditch the flimsy stamped steel plenums and go with the billet upgrade! 7.3L Powerstroke Billet Intake Manifold Plenums
Aug 29th 2025
The factory-installed intake plenums on the 7.3L Powerstroke, quite literally, fail under pressure. Whether you've got a stock truck or one that's been hopped up, the thin stamped steel factory-instal
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Full Step By Step How To: 7.3L Diesel Fuel Rail Crossover™ (FRx) 99-03 Ford Powerstroke
Aug 29th 2025
Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/mm5/RESOURCES/Riffraff_Diesel_FRx_Instructions.pdf
Product Link: https://www.riffraffdiesel.com/fuel-rail-crossover-frx/
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9007 to 9008/H13 Headlight Conversion Pigtail: Plug And Play Super Duty Lighting Upgrade
Aug 22nd 2025
Looking to upgrade the headlights in your 1999-2004 Super Duty? The headlights found on 2005-2007 Super Duty's are a great option. Not only do they look better than their predecessor (1999-2004), they
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