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The AIH Delete Plug: What it is and why it's needed

The air intake heater (AIH) is designed to help heat the intake air charge, making cold starts easier and less smoky. However, many remove it for increased airflow and/or because they're tired of fixi

What's the right type of sealant to use? Stop asking the question... just read this.

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

Riffraff Diesel Billet Oil Filter Housing Cap for 6.0L / 6.4L Powerstroke (2003–2010)

The factory 6.0L / 6.4L oil filter housing cap gets removed constantly, heat-cycled constantly, and (let’s be honest) occasionally over-tightened. It lives a rough life, especially for plastic. Our so

7.3 Fuel Bowl Leaks: Get rid of them for good

One of the more common leaks on the venerable 7.3L Powerstroke is from the fuel bowl. Doing a full rebuild when you first acquire a new 7.3, or when a leak arises is best practice. Our Complete Fuel B

7.3 Injector Cup Replacement Made Easy: Riffraff Diesel 7.3L Injector Cup/Sleeve Tool

Our Patented Injector Cup/Sleeve Tool Set for the Ford 7.3L Powerstroke Diesel is the result of 12 years of refinement by 7.3L enthusiasts. 12 years of testing and tweaking until it was absolutely per

5R110 TorqShift, Common Problems: Symptoms, Causes, and Diagnostic Tips

The 5R110 TorqShift used behind the 6.0L and 6.4L Power Stroke is a strong transmission, but just like anything else, it's not bullet proof and will need repair from time to time. Fluid, electrical, h

7.3 Powerstroke Up Pipes: Step By Step How To Installation

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff_Diesel_Bellowed_Up-Pipe_Instructions.pdf Parts Link: Riffraff Diesel Bellowed Up-pipe Kit 94-Ea

7.3 Powerstroke Upper Radiator Hose "Around the Belt" - Reroute for Easier Belt Service

If you own a 1999–2003 Ford 7.3 Powerstroke, you’ve probably noticed the factory upper radiator hose routing is not the greatest. On late ’99–’03 trucks, the stock hose snakes through the serpentine b

John Wood 4R100 Transmission Valve Body Upgrade: Step By Step How To

Recommended Tools: 8mm socket 10mm socket Extension for 10mm socket In‐lb torque wrench Drain pan Bag of oil dry or plastic sheet Recommended Items: Transmission fluid ( 5‐7 qts. may be required

Full Step by Step how To: Billet Intake Manifold Plenums 1994-2003 7.3L Powerstroke

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff_Diesel_Billet_Plenum_Instructions.pdf Product Link: https://www.riffraffdiesel.com/riffraff-dies

The Deadhead System - What it is and how to fix it - 6.0L and 7.3L Powerstrokes

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

Riffraff Diesel Billet 7.3L Fuel Bowl Cap (1999–2003): Function and Style, keep the OEM filter

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

7.3L Powerstroke E-Series vs. F-Series: What’s Actually Different?

At a glance, a 7.3L Powerstroke in an Econoline looks like the same engine found in an F-250 or F-350. For the most part, it is. The problem starts with everything Ford had to change to stuff that eng

Top Ten 6.0L Powerstroke Diesel Products

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

7.3 Power Stroke 6637 Filter Mod (BHAF): More Airflow, More Filter Area, Simple Install

The 6637 filter modification (often called the BHAF – Big Honkin’ Air Filter) is the classic 7.3 Power Stroke intake upgrade: replace the restrictive stock airbox with a large, heavy-duty style cylind

Electronic Repair - When you can't buy new, or fix it yourself, where do you go?

We started this blog as a way to help our fellow Powerstroke owners keep their trucks on the road and running great. We’ve shared tons of tips and tricks to help you do just that, but often we use com

Stripped HPOP bolts? Read this before you order a new front cover...

Removing and reinstalling the HPOP on the 7.3L Powerstroke can cause headaches for many. The mounting bolts are threaded into the aluminum front cover, and well, the threads aren’t exactly the stronge

Full Step By Step How To: 7.3L Billet Manifold Plenums

Parts Required: Riffraff Diesel Billet Manifold Plenums 1994-2003, including: (2) Billet plenums (2) Viton o-rings (1) Installation hardware packet Recommended Parts: Turbo/pedestal o-ring kit: P

7.3 Powerstroke Stainless Injector Cups: Why Billet Stainless Beats Brass (1994–2003)

Injector cups (aka injector sleeves) are the thin barrier that keeps high-pressure fuel and engine coolant from turning into one nasty mix. When that barrier fails, the usual concernt is fuel in the c

7.3 Injector O-Rings vs. Injector Cups: How to Tell Which One Failed

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