The 7.3L Powerstroke is reliable, but it’s not magic. It still has 20-plus-year-old seals, sensors, wiring, filters, and plastic bits trying to survive heat, oil, fuel, vibration, and whoever ow … read more

ARP head studs are one of the most common reliability upgrades for Ford Powerstroke diesel engines because they increase cylinder head clamping force. More clamping force helps keep the head gasket se … read more

On a 7.3 Powerstroke, the oil cooler “assemblies” (aka headers or mounts) aren't just end caps—they're the oil filter base, and the in/out for oil and coolant into the cooler. It&rsq … read more

The 7.3 Powerstroke’s HEUI injection system relies on oil pressure to fire the injectors. Unlike most light duty diesel injection systems on the road today, where the pump (CP3, CP4, VE, VP, etc … read more

The 7.3L Powerstroke is simple, reliable, and painfully honest. If fuel supply is weak, dirty, restricted, aerated, or leaking, the truck will let you know. Fuel system upgrades are not just for big i … read more