Recommended Tuner for 2005 37’ Sport Coach With 5.9L Cummins Common Rail Engine  

Question:

Expert Reply:

For your 2005 5.9 L Cummins Common Rail, I recommend the Edge EZ # EP30204. This will give you an in-cab switch to allow on the fly adjustability between 3 levels:
Level 1: 25 Horsepower - 50 Foot Pounds of Torque
Level 2: 45 Horsepower - 75 Foot Pounds of Torque
Level 3: 65 Horsepower - 150 Foot Pounds of Torque

These levels were determined for a Dodge, but will give you something to go from seeing as they don't test tuners on motorhomes. The electronic control module in your motorhome may have different parameters, but the tuner will still dramatically increase your horsepower and torque.

For the 3 levels of this tuner, there is a little tab on one side of the base of the toggle switch and the position closest to that tab is level three. Forward one setting is level two. And all the way to the opposite end of the tab is level one. Take a look at the picture I have included that shows the positions.

expert reply by: Jason S

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