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Old 12-02-2010, 09:09 PM
Stellar Stellar is offline
Hummer Veteran
 
Join Date: Jul 2005
Posts: 80
Stellar is off the scale
Default Re: tuner or gears for a hummer on warrenty

Both..You don't have to have a tuner, but it will recalibrate your speedo for your tires / gear setup, add a lil hp/tq, and give you a few other adjustments that can be beneficial. IMO 4.88 gears is the ideal setup for larger tires, better acceleration and off roading for the Hummer. Especially for here in Moab, UT
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2005 Black LUX
37x13.50R17 Toyo MT
Torsion keys. 2" rear coil spacers
2" wheel spacers
In Tune I2, Air Raid Filter, Air Raid MIT, throttle body bypass, straight pipe exhaust
Cognito UCAs. Kryptonite UCA ball joints. Kryptonite tie rods. Kryptonite death grip Idler. Moog HD pitman.
5.13 gears. E-locker front
Bilstein stabilizer
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