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

A weak fan clutch can make a healthy 6.0L Powerstroke look like it has a major cooling-system problem. The truck may stay cool unloaded, then heat up while towing, climbing a grade, idling, or running

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

Riffraff Diesel 99-03 GTP38 Rebuild Instructions Riffraff Diesel 99-03 GTP38 360 Rebuild Instructions  Riffraff Diesel 94-Early 99 Bellowed Up-pi

At Riffraff, we stock the PHP Hydra Chip because it fixes the two biggest problems with old-school 7.3 tuning: not knowing what tune you’re on and being stuck with whatever tune was installed years ag

If you’ve ever scraped factory RTV off a 7.3 and thought, “Why can’t all sealant work like that?”—you’re thinking of International T-442 RTV Silicone, part number 1830858C1. In the Powerstroke world,

Stripped out HPOP mounting bolts on your 7.3 Powerstroke? Don't worry, it's extremely common and no, you don't need to hunt for a new-to-you front cover (although our billet front cover is pretty neat

The 7.3’s High Pressure Oil Pump is very reliable (fitting leaks aside…), but it can still fail or simply wear out over time. Diagnosing a failed HPOP can be fairly straightforward. Here’s some sympto

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

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/6.0L_Turbo_Rebuild_Instructions.pdf Product Link: https://www.riffraffdiesel.com/6-0l-vgt-turbo-rebuild-k

“Turbo mods” on a 7.3 Powerstroke aren’t limited to the turbocharger itself. Many turbo-related symptoms—slow spool, inconsistent boost, smoke, or elevated EGT—are caused by issues in the supporting s

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

Bolt torque for the 7.3 Powerstroke shouldn’t be a mystery. So we collected everything from Ford’s service manuals and other reputable sources, and listed them all below. Here’s your one-stop shop res

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

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”

Some 1994.5–1997 OBS 7.3 Powerstroke trucks used an early-style EOT sensor that is now obsolete. If your truck still has that old Engine Oil Temperature sensor and it fails, the correct repair is to u

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

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff_Diesel_7.3L_Injector_Replacement_Instructions.pdf Parts Required: Injector O-ring Kit: Part# AP

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

Full PDF Instructions can be downloaded here: Riffraff Diesel 7.3L Coolant Filter Kit 99-03INSTALLATION INSTRUCTIONS Product Link: https://www.riffraffdiesel.com/riffraff-diesel-coolant-filtration-sys