The 6.0L Powerstroke platform is known for its performance potential, but also for a set of well-documented reliability concerns that the aftermarket has worked hard to solve. Across thousands of cust

The 7.3L Powerstroke (1994–2003) earned its reputation the old-school way: simple, durable, and willing to work for a living. But even the legendary 7.3 has predictable wear points—especially now that

The stock 7.3 fuel bowl FPR housing works… until it doesn’t. The cast threads can bind, strip, or flat-out snap if there’s contamination in the threads or the compression fitting gets over-tightened.

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

Here's the most commonly asked questions, as well as the most common tips and tricks we see on a daily basis.  Shipping: What shipping should I choose? We strive to ship orders out the same day

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

If your OBS 7.3 has a belt chirp that keeps coming back, a squeal that shows up at idle, or a habit of wearing belts faster than it should, Ford already had a fix for it. TSB 98-23-14 applies to the 1

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

The Cam Position Sensor (CPS) on all 7.3L Powerstrokes can be its Achilles heel. This sensor tells the PCM where exactly the rotating mass is in its journey. Without it, or with one that isn’t working

A 7.3L Powerstroke can make a simple leak look like a much bigger problem. Fuel in the coolant? Oil in the fuel bowl? White smoke? Hard start? Miss? Coolant puking? Random rough running after injector

Product Application and InstallationRiffraff Diesel Inc® will not be held responsible for products that are ordered, installed, or received incorrectly. It is the end purchaser/users/installers...

Diagnosing issues with the 7.3L or 6.0L Powerstroke engines is not necessarily easy. Teaching you how to be a diagnostic pro is not realistically possible through this one article (that takes years of

The Camshaft Position Sensor (CPS) on the 7.3L Powerstroke is a Hall-effect sensor mounted on the front of the engine, positioned just above the harmonic balancer near the 11 o’clock orientation. This

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...

The 7.3L Powerstroke will usually drag the trailer wherever you point it. The 4R100 however, needs a little more respect. It is not a bad transmission by any means, but heat, old fluid, weak cooler ca

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

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

The 7.3 Powerstroke turbo pedestal is one of the usual suspects when oil shows up in the valley, down the back of the engine, or around the passenger-side up-pipe. On EBPV-equipped trucks, the actuato

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

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."