Good clean oil is extremely important to a 7.3L. Moreso than for most other engines. That's because the oil is used differently than with most other engines. The 7.3L injection system is more like a h

If there’s one thing a 6.0L will do with consistency, it’s find weak sealing surfaces and turn them into an oil “misting” problem making the engine a mess. That’s exactly why we built the Riffraff Die

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

Parts Required: Riffraff Diesel Billet Compressor Wheel - Ported Housing: Part# RDP-703697-0001 Garrett Compressor Housing O-ring: Part# GZ-14-010 Turbo Pedestal O-ring Kit: Part# GZ-9-003   Recommen

The 7.3L Power Stroke’s HEUI system runs on high-pressure oil, and the Injection Pressure Regulator (IPR) controlls how much oil the HPOP actually sends to the injectors. When the IPR is happy, the tr

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

The 7.3L Powerstroke is reliable, but it’s not magic. It still has 20-plus-year-old seals, sensors, wiring, filters, and plastic bits trying to survive heat, oil, fuel, vibration, and whoever owned th

The 6.0L Powerstroke gets blamed for everything. Some of it is fair. Some of it is just people ignoring $40 problems until they turn into $4,000 problems. Not every fix needs head studs, an EGR cooler

If you’ve got oil pooling in the 7.3 engine valley (under the fuel bowl/HPOP area), the HPOP is always on the suspect list—especially the rear/end plug and the high-pressure discharge fittings. You ca

The 7.3L Powerstroke diesel (1994–2003) is widely regarded as one of the most durable diesel truck engines ever produced. Known for its longevity, simplicity, and mechanical reliability, the 7.3 still

One of the most common repairs made to the venerable 7.3L Powerstroke, is the dipstick tube adapter. Simply put, it leaks. The adapter form Ford/International is a three-piece part consisting of the d

Blown boots are some of the most common concerns in all of diesel. Just about everyone has delt with one, and when it happens, it’s always during a high stress situation. You’re towing heavy up a grad

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

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, or rep

If your OBS 7.3 has a belt chirp that keeps coming back, a squeal that shows up at idle, or a habit of wearing belts faster than it should, Ford already had a fix for it. TSB 98-23-14 applies to the 1

The blue spring upgrade exists because the 6.0L Powerstroke has a fuel pressure problem that usually starts small, stays hidden, and eventually gets expensive. From the factory, the regulator in the f

The PHP Hydra Chip is one of the most popular tuning upgrades for the 1994.5–2003 Ford 7.3L Powerstroke because it fixes one of the biggest complaints these trucks have from the factory: lazy drivabil

The legendary Ford 7.3L Powerstroke diesel is famous for being a reliable workhorse, but like any engine, it has its weak spots. One very common issue is leaking or damaged injector cups, which can le

The 7.3L Powerstroke ran long enough that people started treating all of them the same. That is how wrong parts get ordered. A 1996 OBS 7.3 and a 2002 Super Duty 7.3 share the same basic engine family