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high altitude

  1. Introductions
    I'm brand new here. My 12' 3.5 ecoboost has total of 120,000 miles on it. Engine replaced at about 80,000 miles. I just don't live at high altitude, I luve at extreme high altitude (10,200 ft). My upgrades are few but I'll list what's been-being done and have the parts in hand: -Injen...