Riffraff is a term for the common people, or hoi polloi. The term is derived from Old French “rif et raf” meaning "one and all, every bit."

The 6.0L Powerstroke gets blamed for a lot of things, but vacuum issues are usually not engine-performance problems. They’re usually 4x4 hub problems, HVAC mode problems, or electrical/vacuum control

The 7.3L Power Stroke’s HEUI system runs on high-pressure oil, and the Injection Pressure Regulator (IPR) controlls how much oil the HPOP actually sends to the injectors. When the IPR is happy, the tr

Parts Required Riffraff Diesel  Plenum Reinforcing Inserts: 1999.5-2003: https://www.riffraffdiesel.com/rdp-plenum-reinforcing-inserts-99-5-03/ 1994-1999: https://www.riffraffdiesel.com/rdp-plenum-rei

Parts Required: Riffraff Diesel Billet Compressor Wheel - Ported Housing: Part# RDP-703697-0001 Garrett Compressor Housing O-ring: Part# GZ-14-010 Turbo Pedestal O-ring Kit: Part# GZ-9-003   Recommen

When building or modifying a 6.0L Powerstroke diesel (2004.5–2006 Ford Super Duty), reliability upgrades often focus on major systems like head gaskets, the oil cooler, and EGR components. However, on

The 7.3L Powerstroke engine uses a HEUI (Hydraulically Actuated Electronically Controlled Unit Injector) fuel injection system. This means that the fuel injectors are actually fired by highly pressuri

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff_PDF_Plenum_Inserts_Instructions.pdf Product Links: 1994- Early 1999: https://www.riffraffdiesel.

If the non-serviceable plug at the bottom of your HPOP is leaking, the factory short-thread plug has likely stripped the threads in the aluminum housing. This long-thread replacement plug is made from

The Fuel Rail Crossover (FRx) was designed to fix the “deadhead” fuel rail issue on the 2003–2007 6.0L Powerstroke. By connecting both heads and adding a metered return, it gives trapped air another w

The 6.0L Powerstroke’s Fuel Injection Control Module (FICM) is the brain of the injection system. It receives signals from the PCM to control the injectors themselves. The FICM lives in a very harsh e

Injectors are not all built the same, especially for the 7.3. Sizing varies year by year, and for a few, based on the location sold, too. Split shots, single shots, hybrids, AB, AD, 238/80, there's so

If you're running a Late 1999-2003 truck with the 7.3 L Powerstroke, the standard upper radiator hose design is far from ideal — it snakes right through the serpentine-belt circuit, forcing you to dra

You asked, we answered. We’ll be answering a few subscriber asked questions about their trucks, every week. Check them out, some might apply to you as well! This week however, we got asked several tur

If you’ve owned a 1999–2003 7.3 Powerstroke long enough to do a few fuel filters, you’ve probably met the factory fuel bowl cap in its natural habitat: tired, stripped out, and one bad day away from l

There’s dozens of recalls associated with our trucks. Some of these we’re all aware of, some are news to us, and some (the mass majority) truck owners were never even told about. It’s an interesting l

When Ford released the 6.0L Powerstroke back in 2003, it was a game-changer. The engine outperformed any diesel on the market in both throttle response and peak horsepower. A big reason for this was t

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Oil leaks on the 7.3 are common. One of the most common areas to leak, is from the turbo pedestal. It’s also one of the most commonly misdiagnosed leaks as the oil generally leaks down the back of the

The ScanTool Package Consists of: AutoEnginuitySoftware AutoEnginuityOBD‐II Interface (ST06) USB 2.0 Interface and Cable User Guide •Quick Installation Guide Enhanced Activation Instructions (Blue Pa