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    Do you adjust 'Desired Boost Med Altitude'?

    Hi all

    As per my earlier post, I've got an Australian 2014 RG Colorado manual with the 2.8Lt Duramax, tuned for towing with max boost/MAP of 300kPa (up from 258kPa max here looking at a stock...
  2. Tuned Aussie Colorado RG 2.8lt lacking power over 500m altitude

    Hi all
    Had my car tuned about 10 months ago, I live in a very flat part of the country and now over on the East Coast of Australia which has a lot more hills and mountain ranges.

    Car is great at...
  3. Replies
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    Hi, Did you find any details on this? I'm...

    Hi,
    Did you find any details on this? I'm interested as my tuned car is lacking power at 500m and feels like somehow it is in a medium altitude table with reduced boost etc when it shouldn't be as...
  4. Tuned Aussie Colorado RG 2.8lt lacking power over 500m altitude

    Hi all
    Had my car tuned about 10 months ago, I live in a very flat part of the country and now over on the East Coast of Australia which has a lot more hills and mountain ranges.

    When travelling...
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