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Congratulations on your purchase of the Hydra Nemesis 2.7 engine management system! The purpose of this manual is to get you acquainted with the features and capabilities of your new system. You are strongly encouraged to read through this manual before you attempt to install and calibrate your Hydra Nemesis 2.7 unit. Although the base maps provided with your unit will most likely start and let you drive your vehicle, it is highly recommended that you hire a qualified engine management specialist to calibrate your new unit for your specific setup. A list of factory-trained Nemesis tuners and dealers is available online at under the Dealers link. A qualified professional is likely able to assist you in your area.

To run the Hydra Nemesis 2.7 software, you will need a Windows© laptop to directly communicate with and calibrate your Hydra Nemesis 2.7 system.

Properly calibrating an engine management system such as the Hydra Nemesis 2.7 system to control a high power engine safely under all possible conditions is a job that requires very specific training and experience. Unfortunately, this manual cannot provide all of the information required to turn an enthusiastic individual into a capable tuner. If you desire to take on the job of calibrating the Hydra Nemesis 2.7 system yourself, we encourage you to take advantage of the various books and courses available to familiarize you with the tuning process before you proceed.

Even if you are going to turn the task of properly and safely tuning the vehicle over to your local expert, the Hydra Nemesis 2.7 system can then be used to gain a much deeper understanding of how the engine operates under different conditions. For the weekend racer, the data logging capabilities of the Hydra Nemesis 2.7 can provide a treasure trove of information for additionally improving the operation of the motor under race conditions. Also, there may be other features that you may wish to experiment with and take advantage of on your own. If you fall in this category, this manual is targeted primarily to you.

Hydra EMS provides an online forum that can be used to gain additional information and insight on very specific Hydra-related features and issues. The forum can be accessed at and following the instructions to set up a user account. Please use the “Search” feature of the forum to determine if someone has already asked and received an answer to your question before starting a new thread.