Installing intercooler boots—often called CAC (Charge Air Cooler) boots—is one of the most common troubleshooting requests we receive, especially from owners dealing with repeated boot blowoffs or per

“If your Ford isn’t leaking oil, it’s time to add more oil.” It’s a common saying, and as far as we’re concerned, it’s false. At least for the 7.3 HPOP. Leaks from the high pressure oil system are com

The front wheel bearings on Dana 50 and 60 axles are not designed to be serviced or greased regularly. This lack of serviceability reduces their lifespan. We've found that adding grease at regular i

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/ IM

The 7.3L Powerstroke is simple, reliable, and painfully honest. If fuel supply is weak, dirty, restricted, aerated, or leaking, the truck will let you know. Fuel system upgrades are not just for big i

The factory 1999–2003 7.3 Powerstroke fuel system is a deadhead setup: fuel enters the heads, feeds the injectors, heats up, and then has no real path out of the fuel galleries. That can leave trapped

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

Ford’s Dana 50/60 front wheel bearings (1999–2016 Super Duty 4x4) aren’t designed to be regularly serviced or greased—which is a big part of why unit bearings can feel like a “replace, don’t maintain”

If you’ve got a 1999-2003 7.3 Powerstroke and you want a true drop-in turbo upgrade that spools quick and supports real injector growth, the KC Turbo KC300X Gen 3 Stage 1 turbocharger is built for exa

On a 7.3 Powerstroke, the oil cooler “assemblies” (aka headers or mounts) aren't just end caps—they're the oil filter base, and the in/out for oil and coolant into the cooler. It’s also home to key pi

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff%20Diesel%206.0L%20Coolant%20Filter%20Instructions.pdf Parts Required: Riffraff Diesel 6.0L Coola

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

Factory Powerstroke intercooler/turbo boots take a beating from heat, oil vapor, boost pressure, clamp load, and just general use over the years. Eventually they swell, crack, soften, seep, or lose th

The 6.0 Powerstroke has a notoriously bad reputation. It is, believe it or not, a really great engine. Or at least it can be. While it was an engine that Ford picked up to fill the void before the new

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/OCR_Installation_Instructions.pdf Required Parts:  OCR - Overboost Code Regulator™ 99-03 OCR - Overboost

The factory 7.3 Powerstroke intake plenums are thin stamped metal, and the intake mouths can bend from clamp pressure. Once that happens, the truck can develop boost leaks at the boots or plenum seal—

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

One of the most common repairs made to the venerable 7.3L Powerstroke, is the dipstick tube adapter. Simply put, it leaks. The adapter form Ford/International is a three-piece part consisting of the d

The Problem: Turbo failure, it's not if, but when you'll deal with it. There's multiple ways to go about fixing your turbocharger woes. Hands down the least expensive, rebuild it yourself. It's easier

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