For diesel tune | Willys Workshop engine owners looking to get more power out of their vehicles, tuning is a great option. The process of tuning, also known as remapping, can produce substantial increases in torque and horsepower on a stock mechanically untouched diesel truck without the need for expensive factory-style modifications.

Remapping is a process that rewrites the software code in your diesel engine’s ECU. This takes over from the manufacture’s generic safe for all countries/safe for poorly maintained vehicles map and unlocks your engines full potential.

Unleash the Power: The Ultimate Guide to Diesel Tuning

Engine tunes can increase power and fuel economy without replacing any parts – making it one of the most cost-effective performance modifications you can make for your diesel vehicle. However, the results from a diesel tune are most visible when used in conjunction with other aftermarket components like exhausts, intakes, heavy duty clutches, free-flowing intercoolers and more.

As a bonus, many diesel tuners can also remove the restrictions that are put in place by your emission control devices, such as DPFs and EGRs. These restrictions, which are only there for compliance reasons, can limit your engines potential by restricting air flow and reducing the amount of power it can produce.

Depending on the brand of tuner you choose, there are a variety of ways to flash your vehicle’s ECM with new calibrations. A few of the most popular methods include an OBD port based tuner, bench flashing, and a standalone programmer. Due to OEM security measures, the 2017+ 6.6L Duramax and 2020+ 6.7L Power Stroke require ‘bench flashing’ where the ECM must be removed and physically modified.