Hummer H3 For the Hummer driver who wants the rugged look and off road capabilities of the Hummer, but in a smaller size and with a more fuel economy friendly engine.

Best tuner for H3

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Old Nov 2, 2022 | 04:44 PM
  #1  
H3Brookings's Avatar
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Default Best tuner for H3

Are there any tuners for the 2007 H3 that can adjust shift points? hate the stock shift points.
 
Old Nov 2, 2022 | 07:55 PM
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What shift points are you getting? My oem 4l60e gets me 0-60 in 8s,empty.
 
Old Nov 3, 2022 | 05:41 AM
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Any local tuner with HP Tuners can but that is a hit or miss depending on their knowlede of the H3, 4L60E, etc.
I would recommend www.pcmofnc.com. They already have tunes that change the shift points, etc.
 
Old Nov 3, 2022 | 01:04 PM
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Doc Olds's Avatar
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Originally Posted by TAINTER
Any local tuner with HP Tuners can but that is a hit or miss depending on their knowlede of the H3, 4L60E, etc.
I would recommend www.pcmofnc.com. They already have tunes that change the shift points, etc.
Yep....... no hand held programmers for the 06/07.
 
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