DemonWorks - 3.0 Duramax Diesel LM2 LZ0 

Mission: To equip 3.0 Duramax diesel owners with comprehensive, technically-informed knowledge—sharing real-world performance, limitations, and specifications—so they can make decisions that work for their specific needs.

DemonWorks was founded by Greg, a GM tech with 20+ years of dealership experience and a Duramax owner and enthusiast. What started as a passion for the 3.0 Duramax diesel platform became the definitive resource for hands-on technical content, product testing, and real-world insights.

Nelson Speed Co. unites automotive enthusiasts through car reviews, local car shows showcasing standout builds, and coverage of racing events.

From teardown analysis and Installs to towing guides and maintenance tutorials, every piece of content comes from a technician's perspective. Whether you're researching your next modification, troubleshooting an issue, or simply want to understand your truck better, you'll find the depth of information needed to make informed decisions.