Tuning The Mack MP8 - Mack truck, same type as one tuned by Alt Tune

2014 Mack MP8

12.9L – TRW EMS2 ECU

The Challenge

The 2014 Mack MP8 is a formidable and reliable heavy-duty vehicle that has proven its mettle in various demanding applications, from long-haul transportation to construction and beyond. As one of the most vital components of this robust truck, the MP8 engine provides impressive power and torque. However, for truck owners seeking to take their driving experience to new heights and optimise their operations power tuning can be the solution.

In this post, we are looking into how tuning the Mack MP8 can improve your truck operation. We are using a 2014 Mack MP8 we tuned for a customer as an example. The customer looking to improve productivity and elevate the driving experience. Here at Alt Tune, we have the tools to help with that.

The Solution

After reading the ECU and having a look at the MP8 we decided that a power tune using Alientech KESS3 could give the customer what they were looking for. By fine-tuning various aspects of the engine’s operation, we can unlock hidden potential and enhance performance on the road.

But that is not all we can do for the truck owners. Many trucks have issues with the emission systems which means they spend too much downtime in the shop. But we have a solution to that problem. Adjusting the emission system to fit our tune means that the Mack MP8 can run smoother and faster on the road and spend less time in the shop. Power tuning the Mack MP8 can transform it into an even more powerful and capable truck, ready to tackle heavy-duty tasks with confidence and ease.

Increased Power


Power Increase (HP)


Torque Increase (NM)

Further Benefits Of Tuning The Mack MP8

Increased Power and Torque

Tuning the ECU of a heavy duty diesel truck offers amplified power for better performance and optimized fuel consumption, leading to enhanced towing ability, quicker acceleration, cost savings, and reduced environmental impact.

Years of Development

We have been tuning the MP8’s 12.9L engine for years, and understand how they work as well as the limitation on factory hardware.


Easy and fast programming

Easy, fast and non-evasive via programming the factory-fitted diagnostic port.

So, if you’re looking to take your Mack truck to the next level, don’t hesitate to reach out to us! Our dedicated team is ready to unleash the full potential of your vehicle and make your driving dreams a reality!


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