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 Diesel B

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/OCR_Installation_Instructions.pdf Required Parts:  OCR - Overboost Code Regulator™ 99-03 OCR - Overboost

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 kit: P

 If you’ve ever looked at the factory fuel banjo bolts on a 6.0L and thought “I should just drill these out,” you’re not alone—and it’s also how people end up snapping pot-metal bolts off in the head

The 5R110 TorqShift used behind the 6.0L and 6.4L Power Stroke is a strong transmission, but just like anything else, it's not bullet proof and will need repair from time to time. Fluid, electrical, h

If your OBS 7.3 (’94.5–’97) has random misses, contribution codes, rough cold starts, or the classic “it runs better when I wiggle the valve cover plug”… you’re not imagining it. The under-valve-cover

The 2008–2010 6.4L Powerstroke CAC system lives in a harsher environment than earlier Powerstroke generations did. Quick boost changes, heat, oil vapor, increased boost pressure, towing load, and age

The 7.3 Powerstroke’s HEUI injection system relies on oil pressure to fire the injectors. Unlike most light duty diesel injection systems on the road today, where the pump (CP3, CP4, VE, VP, etc) crea

At a glance, a 7.3L Powerstroke in an Econoline looks like the same engine found in an F-250 or F-350. For the most part, it is. The problem starts with everything Ford had to change to stuff that eng

Here's the most commonly asked questions, as well as the most common tips and tricks we see on a daily basis.  Shipping: What shipping should I choose? We strive to ship orders out the same day

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 7.3L Powerstroke will usually drag the trailer wherever you point it. The 4R100 however, needs a little more respect. It is not a bad transmission by any means, but heat, old fluid, weak cooler ca

Let’s talk about Powdered Metal Rods, or PMR’s as they’re more commonly called. If there’s one thing that causes the most damage to the 7.3L Powerstroke in one shot, the PMR is it. When these connecti

Full Downloadable PDF Instructions Available Here: http://riffraffdiesel.com/content/RESOURCES/High%20Flow%20Fuel%20CVD%20Fitting%20Instructions.pdf Parts Required: Riffraff Diesel High Flow Fuel CVD

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

A 7.3L Powerstroke that cranks but won’t start does not automatically need a cam sensor, injectors, or an HPOP. It needs diagnosis. The 7.3 is simple compared to newer diesels, but it still needs four

When upgrading a 7.3L Powerstroke (1994–2003) for more power, one of the first hurdles is the PCM’s built-in overboost limit, which is typically around 23–24 PSI. Exceed that, and the system throws a

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff%20Diesel%20High%20Flow%20Banjo%20Bolt%20Instructions.pdf Product Link: https://www.riffraffdiese

The 6.0L Powerstroke is not the engine you diagnose with hopes, guesses, and a Facebook comment that starts with “my buddy’s did that.” A good scan tool is mandatory. Not just for codes, but for live

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