Room Temperature Vulcanizing sealant (aka RTV), or any other type of sealant usage is somewhat of a mystery for most of us. It's ok, you don't need to admit it, but we've all been guilty of rolling th … read more

Winter is right around the corner. For us 6.0 and 7.3 owners, cold weather affects our engines more than any other modern era light duty diesel engine. The 6.0 and 7.3 are both tough as nails, but col … read more

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/Riffraff_Diesel_7.3L_Injector_Replacement_Instructions.pdf Parts Required: Injector O-ring Kit: Part# AP … read more

The 7.3L Powerstroke utilizes injector harnesses which live under the valve cover (UVCH). These harnesses live their whole lives in a very harsh environment. They exist in a constant hot oil bath. The … read more

The 7.3’s High Pressure Oil Pump is very reliable (fitting leaks aside…), but it can still fail or simply wear out over time. Diagnosing a failed HPOP can be fairly straightforward. Here& … read more