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36 Mini Maxx Installation Manual • www.hsperformance.com
Unplugging Head Unit
If you unplug your head unit, your truck will default to the STOCk setting within a few drive cycles.
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High sulfur calibration info found on page 51
2010 - 2012 6.7L Dodge Cummins Specific Features Continued >>
2003 - 2007 6.0l forD PoWersTroKe
Usa / UlsD caliBraTion
Power levels
Power Levels can be adjusted on-the-fly at the touch of a but-
ton after Installing the Download to the vehicle. The current
Power Level will be saved even if the Mini Maxx is unplugged.
noTe:
The Power Level ratings listed may not be exact for your particular
vehicle. The listed ratings apply to the out-of-the-box tuning that H&S tuning
devices are shipped with. Any custom downloads may result in different rat-
ings and can be found at www.hsperformance.com/update-instructions.
speed limiter
This option allows for the removal of the factory speed limiter.
Most 6.0L Powerstroke trucks have a 95 MPH speed limiter from the factory. The limiter can
be removed completely or left stock
(this may change so be sure to visit www.hsperformance.com for
product updates)
. This option can only be changed during the Install Download process.
Tire size calibration
This option allows for the re-calibration of the factory speedometer to adjust for non-stock
sized tires. For the most accurate speedometer reading when using non-stock sized tires, it
is best to measure the diameter of the tire using a tape measure rather than going by the
printed tire size. In addition, using a GPS is a great way to dial in your factory speedometer.
Entering a larger tire size will cause the factory speedometer to read higher while entering
a smaller tire size will cause the factory speedometer to read lower. Tire size can be adjusted
from 25” to 40”. This option can only be adjusted during the Install Download process.
Keyed ignition source location
Although it is possible to manually power up the Mini Maxx without using a keyed ignition source,
it can sometimes create communication issues between the Mini Maxx and the vehicles ECM. To
eliminate these problems, we highly recommend tapping into a 12V keyed ignition source to sup-
ply power to the Mini Maxx only when the key is in the ON position and the vehicles ECM is online.
Below you will find a commonly used 12V keyed ignition source for your vehicle:
Power LeveLs
Stock
. . . . . . . . . . . . . . . . . . . .
0 HP
Tow
. . . . . . . . . . . . . . . . . . . .
40 HP
Street
. . . . . . . . . . . . . . . . .
80 HP
Performance
. . .
120 HP