Blog
Maximize Your Miles: The Ultimate Guide to Fuel Economy and Diesel Lifestyle
Fuel costs hit hard for both owner-operators and fleets. The good news is that making a few smart changes can lead to big savings and help you stay on the road longer. Whether you drive solo or manage a large fleet, improving your fuel economy begins with...
Diesel Tuning Horrors and How to Avoid Making the Same Mistakes
If done right, tuning a semi truck can boost power, fuel efficiency, drivability, and overall performance. But if done wrong, it can cause costly repairs, unexpected breakdowns, reliability problems, or, worse, an engine explosion! That’s why it’s so important to...
Unlock the Potential of Your Rig With PACCAR MX-13 Tuning
If you’ve driven on North American highways, you know the PACCAR MX-13 is well-known. It powers Kenworth and Peterbilt trucks across Canada and is built for long trips; efficient, smooth, and reliable. At MHPD, we see the factory standard as just the beginning. Like...
How To Boost Your Tractor’s Power And Efficiency With MHPD
Agricultural operations depend on equipment that can perform reliably day after day, season after season. Whether you're planting, harvesting, baling, spraying, or hauling, your tractor's performance directly impacts productivity, fuel consumption, and operating...
The Surprising State Of Fuel Economy In Big Rig Trucking
Fuel is now one of the highest costs in trucking. With fuel prices changing, tighter profit margins, and more pressure to run efficiently, even small improvements in fuel use can add up to big savings each year. Many owner-operators and fleet managers are surprised...
The 3 Ultimate Tips Before You Do A Dyno Test
A semi-truck dyno test is a great way to see how your semi-truck performs under load. If you need to troubleshoot a problem, check repairs, assess fuel efficiency, or measure horsepower and torque, a dyno test provides data you can't get from a regular road test. But...
This Is Why You Should Only Trust Experienced Professional Tuners
When you hear ECM tuning, you probably only think about the increased horsepower. While gains in horsepower are certainly one of the benefits of a properly calibrated engine, the reality is that ECM tuning is so much more than making your truck faster. Any...
Detroit DD15 vs. PACCAR MX-13: Which Engine Wins on the Road?
Trying to decide between a Detroit DD15 and a PACCAR MX-13? For owner-operators and fleets, this choice can affect your profits. At MHPD, we test both engines on the dyno daily. Here’s what drivers need to know. Understanding Your Engine Options The Detroit DD15: The...
How To Boost Your Diesel Performance With A Trusted Semi Tuner
It’s never a good idea to start upgrading without a plan for your engine's performance. If you’re looking to boost your semi engine performance, your best option is diesel tuning. But there are several steps to take before you decide how you want to enhance your...
What to Expect at Alberta Diesel Days 2026: An Exclusive Sneak Peek
The diesel community is buzzing with excitement for Alberta Diesel Days, and it’s not just the enthusiasts who are looking forward to it. With the event just weeks away, diesel fans, truck owners, families, and performance shops are getting ready for one of...
How to Identify Diesel Engine Problems—Part Two
Mario High Performance Diesel (MHPD) specializes in semi truck engine tuning. We deliver the latest innovations and extensive industry knowledge to improve your engine efficiency in a timely, professional manner. Understanding how to read symptoms, use...
The Ultimate Guide to Data-Driven Semi-Truck Tuning with MHPD
Semi truck tuning shouldn’t rely on guesswork. Effective emissions compliant ECM tuning requires precision, yet many tuners still use trial and error. Tuning based on how things “feel” risks engine health. Data-driven semi-truck tuning grounds every decision in...









