About

The Team Behind the Tuning

Shamrock Diesel Tuning isn’t your typical tuning shop. This is a team that lives and breathes engine control, specializing in commercial diesel vehicles of all shapes and sizes. Every project gets the same attention to detail, a direct line to real expertise and a drive to push every engine to its best, safely and reliably.

With deep roots in the industry and a true passion for diesel technology, Shamrock has built a reputation for solving problems other shops ignore or avoid.

What Makes Us Different

Shamrock focuses on real-world emissions solutions built around your engine and your needs. Every service is handled with precision, solid expertise, and a commitment to making sure the results hold up in day-to-day operation.

No Shortcuts

Every tune is custom-built for your engine, application and environment. No generic files, no risky experiments.

Licensed & Legit

Only premium licensed software and hardware are used on your vehicle. Get factory-grade results, every time.

Lifetime Warranty

If you’re ever unsatisfied or something needs adjustment, it’s fixed at no extra cost. No questions, no hassle.

Transparency Is Standard

Too many tuning companies keep their methods under wraps and dodge tough questions. That’s not the Shamrock way. Here, you get honest answers, clear explanations, and real advice before any work begins. The belief is simple: when you understand what’s happening under the hood, you make better decisions for your equipment and your business.

Precision diesel engine emissions tuning

Consultation

Every job starts with a conversation. What’s the issue? How is the vehicle used? What are your goals?

Diagnostics

Deep scanning for trouble codes or underlying issues before any programming begins.

Custom Tuning

Each tune is built for the specific engine, the way it’s used, and what you actually need, not a generic file.

Testing & Support

Every tune gets road-tested and verified. If anything needs tweaking, you’re covered for as long as you own the vehicle.

Remote Service

Shamrock’s entire process is handled remotely, letting you get expert tuning and support without ever needing to bring your truck to a shop. As long as you have an internet connection and the required interface, everything from diagnostics to programming is managed directly from your location. This minimizes downtime and gets you back on the road faster.

Our Commitment

Customer satisfaction is the backbone of Shamrock Diesel Tuning. That means standing behind the work, staying on top of the latest diesel tech, and always treating every customer with respect. When you work with Shamrock, you’re getting more than just a tune—you’re getting a partner who knows your business relies on keeping trucks moving.

More Power

Shamrock Diesel ECM Diagnosis & Recovery

Lower Costs

Longer Lifespan

Fuel Savings

Get In Touch

Calgary's Trusted Specialists

What Clients Are Saying

When our shop was looking for someone that can do Caterpillar, Detroit, and Paccar tuning we found Shamrock tuning. They can tailor anything you need. Full support when you need something changed. Great service all around.

Bandit Heavy Diesel & Performance

Strathmore, AB

For anyone needing a reliable tuner, or help involving diag or programming, I highly suggest getting in touch with Cory.. I have been using him for more than a year now and I couldn't be happier with his knowledge and expertise. He has come to my aid several times, and he has never let me down. He is one of the most fair and decent people i`ve ever dealt with. I also know that he is expanding his knowledge every day. I continue to look forward to our business. You will not find a more fair and decent person. I guarantee that

Advanced Diesel Diag

Baltimore, MA

Cory at Shamrock Tuning is a very knowledgeable guy. We have been working with him for few years now. For any type of tuning on or off hwy units he is our go to guy. He is local and always available and willing to help on short notice. All of the work that Shamrock Tuning had done for us up till now has top quality.

Advance Truck Repair

Calgary, AB

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Your engine deserves it