Iron Faith Diesel specializes in custom diesel performance and transmission tuning with a focus on reliability, drivability, and real-world results. Our services include:

• Custom ECM tuning for Duramax platforms using EFILive

• DSP5 switchable tuning with multiple power levels in one tune

• Transmission tuning to improve shift quality, torque converter control, and clutch life

• Remote tuning using EFILive AutoCal devices

• Data log review and tune revisions to ensure your truck is performing safely and efficiently

Whether your goal is daily drivability, towing performance, improved fuel efficiency, or maximum power, every tune is tailored to your truck’s setup and your specific needs — not a one-size-fits-all file.

Getting started is simple. Reach out through our contact us form—we’ll walk you through the next steps and answer any questions along the way.

Iron Faith Diesel focuses on honest, custom tuning built for real-world use. Every tune is tailored to your truck’s exact setup and intended purpose, with reliability and drivability as the top priorities. We take a data-driven approach, refining each tune through logging and revisions rather than generic files or inflated claims. With a strong emphasis on integrity, clear communication, and long-term results, our goal is to deliver tuning you can trust — not just numbers on a screen.

We offer flexible pricing based on project type and complexity with remote tuning starting at $325. After an initial conversation, we’ll provide a transparent quote with no hidden costs.

Working with Iron Faith Diesel is straightforward and personal. You’ll get clear communication, honest recommendations, and a tuning process built around your goals — not guesswork. From initial setup through logging and revisions, we walk you through each step and make sure your truck performs exactly how it should. No rushed support, no confusing answers — just a professional experience from start to finish.

When done correctly, tuning should not hurt your truck. At Iron Faith Diesel, every tune is built with reliability and longevity in mind. We use controlled fueling, safe timing, and proper transmission strategy to stay within the limits of your engine and drivetrain. Tunes are refined using real data logs to ensure everything is operating as intended. As with any performance modification, responsible driving and proper maintenance are key, but our goal is to enhance performance without sacrificing dependability.

Our goal is to make you as satisfied with your truck as we possibly can. We work with you to get it right. If something doesn’t feel correct or isn’t meeting your expectations, we review data logs, make adjustments, and revise the tune as needed. Every truck is different, and dialing it in is part of the process. Our goal is to make sure your truck performs the way it should before calling it finished.