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 … read more

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 … read more

“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 … read more

Injector cups (aka injector sleeves) are the thin barrier that keeps high-pressure fuel and engine coolant from turning into one nasty mix. When that barrier fails, the usual concernt is fuel in the c … read more

At Riffraff, we stock the PHP Hydra Chip because it fixes the two biggest problems with old-school 7.3 tuning: not knowing what tune you’re on and being stuck with whatever tune was installed ye … read more