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Gradient Cooling for 7.3 Powerstroke: 4R100 Cooler Upgrade (1999–2003)(Post)
If you tow with a 1999–2003 7.3L Super Duty, you already know the weak link isn’t usually the engine—it’s usually 4R100 transmission heat issues. That’s where the Gradient Transmission Cooler (GC-TRAN
Riffraff Diesel Turbo Inlet Hose for 1999-2003 7.3 Powerstroke Econoline(Post)The 7.3 Powerstroke Econoline turbo inlet hose is specific to the van only. The E-Series intake layout is different from an F-Series truck, and the hose shape is different too. Riffraff’s replacement
Complete CAC Intercooler Boot Kit for the 2008–2010 6.4L Powerstroke(Post)The 2008–2010 6.4L Powerstroke CAC boots deal with heat, oil vapor, boost pressure, towing load, and age. Over time, the factory boots can swell, crack, slip, or blow off, causing boost leaks, smoke,
The Deadhead System - What it is and how to fix it - 6.0L and 7.3L Powerstrokes(Post)For 7.3’s and 6.0’s alike, the fuel system could benefit from an upgrade. One that removes the deadhead issue that plagues each engine. The fix will increase injector life, increase throttle response
Top 10 6.0 Powerstroke EOT/ECT Delta Questions Answered(Post)The 6.0L Powerstroke has a lot of famous problems, but the EOT/ECT delta is one of the easiest ways to catch trouble before it gets expensive. Bad numbers here can lead to failures across the board. T
6.0L Powerstroke ICP Sensor: How It Works, Failure Symptoms, Codes, and Diagnosis(Post)The ICP sensor is one of the first things we look at when a 6.0L Powerstroke has a hard start, hot no-start, rough idle, or unexplained surging. ICP stands for Injection Control Pressure. The 6.0L use
PHP Hydra Chip for 7.3 Powerstroke: What It Does, How to Install It, and When Custom Tunes Matter(Post)The PHP Hydra Chip is one of the most popular tuning upgrades for the 1994.5–2003 Ford 7.3L Powerstroke because it fixes one of the biggest complaints these trucks have from the factory: lazy drivabil
Complete CAC Intercooler Boot and Clamp Kits for 2008–2010 6.4L Powerstroke(Post)The 2008–2010 6.4L Powerstroke CAC system lives in a harsher environment than earlier Powerstroke generations did. Quick boost changes, heat, oil vapor, increased boost pressure, towing load, and age
Engine Harness Assemblies: Why OEM Is The Way To Go(Post)On a 20+ year old 7.3, the harness usually doesn’t “die” all at once. It fails the annoying way: intermittent faults, weird codes, random driveability issues, and electrical gremlins that disappear th
Top 10 Inexpensive 6.0 Powerstroke Fixes Under $100 That Actually Matter(Post)The 6.0L Powerstroke gets blamed for everything. Some of it is fair. Some of it is just people ignoring $40 problems until they turn into $4,000 problems. Not every fix needs head studs, an EGR cooler
Return Info(Page)We want to make returns as straightforward as possible. Please review the return requirements below before submitting a request. Return Eligibility Items may be returned within 30 days of the...
Electrical Sensor 101 - The 7.3's Sensors and How They Work(Post)Electrical for many can be scary. Fear of the unknown is the real issue. So let's get one unknown out of the way. Sensors. Luckily for 7.3 owners, there aren’t a ton of sensors, especially compared to
HPOP JIC Replacement Line Installation Instructions: 7.3L Powerstroke(Post)Replacing old worn out and/or leaking HPOP lines can be a stressful endeavor. They're one of the more common leak points on a 7.3, and most of us have battled leaks here over and over again. After the
The 7.3 Under Valve Cover Harness: Only The Best, From Motorcraft (Post)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
Alliant FICM Fuel Injector Control Module for 2003–2004 6.0L Powerstroke(Post)The 6.0L Powerstroke FICM controls injector operation, and when it starts dropping voltage, the truck can act like it has bad injectors, weak batteries, glow plug issues, or all of the above. Common s
Every Recall Issued For the 1994-2003 Ford Equipped with the 7.3L Powerstroke(Post)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
Common 4x4 Problems on 1994–2010 Ford F-250/350 Trucks: Symptoms, Causes, and Fixes(Post)If you are chasing 1994–2010 Ford F-250 4x4 problems, the good news is most of them follow a pattern. On the 1994–1997 OBS trucks, the biggest issue is usually the automatic locking hubs. On the 1999–
Why Your 4R100 O/D Light Is Flashing: Common Codes, Symptoms, Causes, and Fixes(Post)If the O/D OFF light on your shifter is flashing, your truck is not just asking for attention. It is telling you the PCM saw a transmission-related fault. A solid light usually means overdrive was man
Up Pipes - How to choose the right set. (Post)With so many options for up pipe replacements out there, it’s overdue to discuss what's what. We’ve seen them all; some are quality, some are not. We’ve seen all the issues, and we’ve designed our 7.3
About(Page)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."
