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,

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

The 7.3 Powerstroke exhaust back pressure tube connects the passenger-side exhaust manifold to the EBP sensor mounted near the front of the HPOP reservoir. That tube lets the sensor read exhaust press

Arguably one of the most complex parts on a 7.3. Just about everything runs through the front timing cover or heavily relies on it doing its job correctly. The OE front cover has done its job amazingl

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 High-Pressure Oil Pump (HPOP) is the heart of the HEUI (Hydraulically Actuated, Electronically Controlled Unit Injector) fuel injection system used on both the 7.3L and 6.0L Powerstroke. When the

The HEUI system on the 7.3L Powerstroke uses high-pressure oil for the fuel injection event. We won’t fully go into the system’s specifics here, but good clean oil is very important to its operation.

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

The 7.3L Powerstroke doesn’t have too many sensors compared to more modern era diesel’s, but the ones it does have all play important roles. This week, we’ll be diving into the Exhaust Back Pressure S

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

If you’re done trusting (and fighting) the aging factory 4x4 hubs (or anything with plastic where it shouldn’t be), the WARN Premium Hub Set (38826) is the industry-standard fix: all-metal constructio

Parts Required: TP38 360 Bearing Rebuild Kit 94-97: Part# TP-360-OBS   Recommended Parts/Tools: Riffraff Diesel Billet Compressor Wheel 94-03: Part# RDP170293 Garrett TP38 Compressor Housing O-rin

Required Parts: Garrett TP38 Journal Bearing Rebuild Kit 94.5-97 (472617-0000) Borg Warner Anti-Surge Compressor Wheel (Optional) (170293) Riffraff Diesel Billet Compressor Wheel (Optional upgrade ov

Believe it or not, rebuilding turbochargers is fairly easy and can be done with simple tools. We'll show you how, on a GTP38 turbo used in the 7.3 Powerstroke trucks from 1999.5 to 2003. These instruc

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

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

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—

Recommended Parts: Injector O-ring Kit: Part# AP000: https://www.riffraffdiesel.com/alliant-injector-o-rings/ CCV O-ring Kit: Part# GZ-8-004: https://www.riffraffdiesel.com/ccv-vent-cover-orings/   R

A bad-acting 7.3 Powerstroke IPR does not always need to be replaced. Many are simply contaminated with oil debris, varnish, or simply have worn seals. Most replaced IPR failures are really contaminat