DemonWorks - 3.0 Duramax Diesel LM2 LZ0

DemonWorks is built for 3.0 Duramax owners who want more than vague answers and guesswork. Founded by a GM technician and owner, DemonWorks delivers step-by-step maintenance guides, honest product reviews, deep-dive troubleshooting, and real-world testing.

Our mission is simple: helping 3.0 Duramax owners maintain, troubleshoot, and upgrade their trucks with real GM tech expertise — so they can extend the life of their Duramax.

This is why we say: DemonWorks — Diesel Tech, Beyond the Manual.

DemonWorks LLC.


2024 Silverado 3.0 Duramax ZR2