Riffraff Diesel Technical Knowledge Center
EGT Probe and Tap Installation Kit: Diesel Gauge Must Have
Feb 13th 2026
If you’re installing an EGT (pyrometer) probe, the hardest part usually isn’t wiring—it’s getting clean threads into a cast manifold/up-pipe without gumming everything up. That
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7.3 Powerstroke Billet Compressor Wheel Upgrade (TP38/GTP38)
Feb 9th 2026
If your 7.3 Powerstroke has ever done the turkey gobble / flutter thing under load, you’ve met compressor surge. In laymans terms, surge is teh turbo becoming innefficient/pushed too far for its
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Top 10 Turbo Mods for the 7.3 Powerstroke
Feb 7th 2026
“Turbo mods” on a 7.3 Powerstroke aren’t limited to the turbocharger itself. Many turbo-related symptoms—slow spool, inconsistent boost, smoke, or elevated EGT—are caused
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Every Recall Issued For the 1994-2003 Ford Equipped with the 7.3L Powerstroke
Feb 6th 2026
There’s dozens of recalls associated with our trucks. Some of these we’re all aware of, some are news to us, and some (the mass majority) truck owners were never even told about. It’
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7.3 Powerstroke PCM Code Locations (1994–2003) + How to Decode What You’re Looking At
Feb 6th 2026
Ford didn’t make it easy: on a 7.3 truck you’ll see multiple “PCM codes” that mean different things (hardware vs. software vs. emissions calibration). The trick is knowing wher
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