In the early days of light-duty diesel pickups, intercooling wasn’t a thing yet. GM’s 6.5L, the 7.3L found in OBS trucks, and even early 5.9L Cummins were all turbocharged, but none came w … read more

Summer is upon us, bringing high ambient temperatures and the recreational towing season. Both can push your 7.3L Powerstroke’s 4R100 transmission to its thermal limits. Heat is the number one e … read more

Oil leaks on the 7.3 are common. One of the most common areas to leak, is from the turbo pedestal. It’s also one of the most commonly misdiagnosed leaks as the oil generally leaks down the back … read more

On the list of common things that fail on 7.3’s, freeze plugs are fairly low; however, as these trucks grow in age, they’re becoming more and more common. Failure can occur in many ways, b … read more

Glow plugs. Things that are often forgotten until running or starting issues arise. Hard cold starts, cold no starts, smoky when cold, rough running when cold, all are common concerns that could be as … read more