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Go Back   Hummer Forums by Elcova > Hummer H3 Discussion Forums > Technical Discussion and Customizing your H3

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  #1  
Old 06-14-2007, 02:09 AM
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marin8703 marin8703 is offline
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Default 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 ?

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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Old 06-14-2007, 05:45 PM
H3.007 H3.007 is offline
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Default 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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Old 06-14-2007, 06:19 PM
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marin8703 marin8703 is offline
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Default 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...

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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  #4  
Old 06-15-2007, 05:05 PM
H3.007 H3.007 is offline
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Default Re: Just Installed My Re-Programmed PCM

Many thanks!
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