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06-10-2007, 11:56 PM
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Hummer Veteran
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Join Date: May 2007
Posts: 227
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Re: Just Installed My Re-Programmed PCM
Swapped in the loaner pcm today. Very easy, 5 minutes tops. Did the security thing and it started right up. I'll send out my pcm tomorrow and hope to have it back by the weekend!
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06-11-2007, 02:46 AM
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Hummer Authority
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Join Date: Mar 2006
Location: Chicago, IL
Posts: 1,086
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Re: Just Installed My Re-Programmed PCM
swapped mine on thursday and didnt really notice any gain in mpg or performance. well actually, it felt more like pre-35s. i didnt really get used to the way the 3 performed with 35s (without pcmforless, cauze i put the tires on 2 days before that) so im basically comparing the results to before i got the 35s put on. Im happy with it, no gain no loss.
6pack let us know how yours goes
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06-12-2007, 02:21 AM
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Hummer Veteran
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Join Date: Jan 2007
Location: San Diego
Posts: 121
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Re: Just Installed My Re-Programmed PCM
So if you are running 35 toyos does the shifting so much up and down by it self stop and shift more like it did before i put the 35 tires on it ? and does the gas mpg i lost from going to 35 tires go back to more mpg like it was ?
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06-14-2007, 12:58 AM
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Hummer Veteran
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Join Date: Jun 2007
Location: Spring, TX
Posts: 59
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Re: Just Installed My Re-Programmed PCM
From all of the good stuff I'm reading, I want to do one myself. I only plan to go to 33's from my 32's and would prefer the softer shifting as this is my DD/work truck. The shifting down on every hill really bugs me, so this would be the reason (+ more power) why I want to do it. Is a drop in a/f worth doing over stock, or do I have to do a CAI to get any results?
__________________
Bill, '07 H3 Birch White,auto, Husky floor liners,pre runner brush guard more to come.
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06-14-2007, 02:09 AM
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Hummer Authority
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Join Date: Mar 2006
Location: Chicago, IL
Posts: 1,086
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Re: Just Installed My Re-Programmed PCM
Quote:
Originally Posted by SHYANNE
So if you are running 35 toyos does the shifting so much up and down by it self stop and shift more like it did before i put the 35 tires on it ? and does the gas mpg i lost from going to 35 tires go back to more mpg like it was ?
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from what i have noticed it seems to shift like it did without the 35s. still if you step on it a lilttle more it will downshift. if going up a moderately steep hill and you wana keep speed it will downshift.
suposedly your mpg should go up, i couldnt tell because i didnt get a mpg reading with the 35 without the pcm. but the numbers im getting now are comparable to before i got 35s, maybe .5 to 1 mpg less, maximum.
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06-14-2007, 05:45 PM
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Hummer Expert
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Join Date: May 2006
Location: Johnstown, PA.
Posts: 553
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Re: Just Installed My Re-Programmed PCM
Has anyone heard from Alvin or Kaliente? I have been trying to communicate with them regarding the ECU repro with no success... 
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06-14-2007, 06:19 PM
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Hummer Authority
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Join Date: Mar 2006
Location: Chicago, IL
Posts: 1,086
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Re: Just Installed My Re-Programmed PCM
Quote:
Originally Posted by H3.007
Has anyone heard from Alvin or Kaliente? I have been trying to communicate with them regarding the ECU repro with no success... 
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are your trying email, they didnt respond to mine either. called them and picked rite up. it wasnt alvin, it was the woman dont remember her name, but she could probably help you out or get you alvin. in case you dont have it thier number is (704)-307-4227(Office) Hours:M-F 9AM-5PM EST
seems they are very strict about their office hours.
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06-15-2007, 05:05 PM
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Hummer Expert
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Join Date: May 2006
Location: Johnstown, PA.
Posts: 553
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Re: Just Installed My Re-Programmed PCM
Many thanks! 
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