For a 7.3L Power Stroke IPR valve, the two solid choices are FoMoCo/Motorcraft and Alliant Power. The cheap “OEM-quality” valves are where the trouble usually starts. So what’s the d … read more

The factory 1999–2003 7.3 Powerstroke fuel system is a deadhead setup: fuel enters the heads, feeds the injectors, heats up, and then has no real path out of the fuel galleries. That can leave t … read more

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 i … read more

The factory 7.3 Powerstroke valve covers do their job, but they are still thin stamped covers on a 20+ year old truck. When sealing matters, rigidity matters. That’s why we built the Riffraff Di … read more

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& … read more