News & Updates
Consistent Oil Supply: Why the HPX makes a big difference in 7.3 operation and longevity
Posted by Adam Blattenberg on Jun 18th 2025
The 7.3L Powerstroke engine uses a HEUI (Hydraulically Actuated Electronically Controlled Unit Injector) fuel injection system. This means that the fuel injectors are actually fired by highly pressuri
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Cooler EGTs, More Power: A Guide to Intercooling the 1994-1997 Powerstroke
Posted by Adam Blattenberg on Jun 11th 2025
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
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Beat the Heat: A Guide to Upgrading Your 7.3L Powerstroke's Transmission Cooler
Posted by Adam Blattenberg on Jun 5th 2025
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
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Turbocharger Pedestal Leaks - 7.3L Powerstroke
Posted by Adam Blattenberg on May 28th 2025
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
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Freeze Plugs - Why they fail, how to replace them
Posted by Adam Blattenberg on May 21st 2025
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
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