The Reality of a 6.4 to 6.7 Powerstroke Swap

If you're thinking about a 6.4 to 6.7 powerstroke swap, you're probably tired of looking at your truck sitting in the driveway with a dead engine. Let's be honest: the 6.4-liter Powerstroke is a bit of a heartbreak. When it's running right, it's a monster with incredible torque and power potential, but when things go south, they go south fast. Cracked pistons, lifter failures, and fuel system meltdowns have turned many a Ford enthusiast toward the idea of putting the much more reliable 6.7-liter "Scorpion" engine into their 2008–2010 Super Duty. ...

April 28, 2026 · 6 min · Art Melissas