Riffraff Diesel Technical Knowledge Center

Full Step By Step How To: 7.3L Billet  Manifold Plenums

Full Step By Step How To: 7.3L Billet  Manifold Plenums

Mar 19th 2026

Parts Required: Riffraff Diesel Billet Manifold Plenums 1994-2003, including: (2) Billet plenums (2) Viton o-rings (1) Installation hardware packet   Recommended Parts: Turbo/pedestal o-ring k … read more
Why the Blue Spring Upgrade Matters on a 6.0L Powerstroke

Why the Blue Spring Upgrade Matters on a 6.0L Powerstroke

Mar 18th 2026

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 … read more
Ford Recall List: 6.0L Powerstroke

Ford Recall List: 6.0L Powerstroke

Mar 12th 2026

Just like our 7.3 recall list, on this 6.0L recall list, we’ll concentrate on drivetrain related recalls and include links to documents where we can find them. Some recalls listed on the NHTSA s … read more
The “Non-Serviceable HPOP Plug” - Step By Step How To

The “Non-Serviceable HPOP Plug” - Step By Step How To

Mar 11th 2026

If the non-serviceable plug at the bottom of your HPOP is leaking, the factory short-thread plug has likely stripped the threads in the aluminum housing. This long-thread replacement plug is made from … read more