On a 7.3 Powerstroke, piston oil jets (piston cooling jets) are there for one reason: aim oil at the underside of the piston crown to pull heat out of the piston (and maybe to lube the wrist pin). Whe … read more

On 1994–1997 OBS 7.3 Powerstrokes, the upper heater hose routing can get sloppy over time. When it droops, it doesn’t just look messy—it can rub on alternator wiring/connectors and c … read more

The 6.0L Powerstroke gets blamed for a lot of things, but vacuum issues are usually not engine-performance problems. They’re usually 4x4 hub problems, HVAC mode problems, or electrical/vacuum co … read more

Older Powerstrokes are great because they’re simple, durable, and still worth fixing. The downside? Some of the factory parts are getting harder to find, more expensive, discontinued, obsolete, … read more

If you’re working on HPOP lines on a 1999–2003 7.3 Powerstroke, this little tool is the difference between a 30-second job and potentially destroyed or leaking STC fittings (or ones that d … read more