If you’ve ever scraped factory RTV off a 7.3 and thought, “Why can’t all sealant work like that?”—you’re thinking of International T-442 RTV Silicone, part number 1 … read more

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 … read more

The PHP HydraFlash Titan Tune Unlock (PHP-TITAN) is the add-on for 7.3 owners running a Hydra Tuner with modified single-shot injectors. Modified single shot injectors take special tuning not offered … read more

If you’re doing the classic 7.3 Powerstroke 6637/BHAF intake mod, the filter is the whole point: big surface area, less restriction, built for work. The 6637 style has lived forever in the heavy … read more

A big part of diagnosing issues with any engine is knowing how each system works. Electrical can freak people out because you can’t see it doing its thing. That’s usually the whole problem … read more