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CP4 Protection vs. CP3 Conversion: Which Is Rig...

Factory CP4 pump failing your diesel? Learn when to protect it and when to convert to a CP3 — with honest decision criteria and verified kit recommendations.

CP4 Protection vs. CP3 Conversion: Which Is Rig...

Factory CP4 pump failing your diesel? Learn when to protect it and when to convert to a CP3 — with honest decision criteria and verified kit recommendations.

High-Horsepower Diesel Drag Race Engines

Modern diesel drag racing is not about a single component or a single strategy. It’s about understanding how every part of the system interacts under extreme conditions and designing around...

High-Horsepower Diesel Drag Race Engines

Modern diesel drag racing is not about a single component or a single strategy. It’s about understanding how every part of the system interacts under extreme conditions and designing around...

Turbocharged and Nitrous-Assisted Billet 6.8L C...

Join us for a deep dive into Chris Buhidar’s billet 6.8L Cummins engine built by Fleece Performance, featuring billet goodies, a GT55 turbo, S&S fueling, nitrous, and more, which make...

Turbocharged and Nitrous-Assisted Billet 6.8L C...

Join us for a deep dive into Chris Buhidar’s billet 6.8L Cummins engine built by Fleece Performance, featuring billet goodies, a GT55 turbo, S&S fueling, nitrous, and more, which make...

1990 Dodge with a Turbocharged 5.9L Cummins Engine

Aaron West’s chassis-swapped first-gen Dodge features a turbocharged 5.9L Cummins with Callies rods, 300% over injectors and a large single turbo, producing nearly 1,000 horsepower and built with racing in...

1990 Dodge with a Turbocharged 5.9L Cummins Engine

Aaron West’s chassis-swapped first-gen Dodge features a turbocharged 5.9L Cummins with Callies rods, 300% over injectors and a large single turbo, producing nearly 1,000 horsepower and built with racing in...

New Materials, Loads and Thinking About Main St...

Manufacturing advances and a deeper understanding of fastener behavior under real engine loads have changed how builders should approach stud selection and installation.

New Materials, Loads and Thinking About Main St...

Manufacturing advances and a deeper understanding of fastener behavior under real engine loads have changed how builders should approach stud selection and installation.