Focus Fanatics Forum banner
idaho
1-1 of 1 Results
  1. General Technical Chat
    For those of us who live in high altitude states, do you currently, or have any of you previously used 85 Octane gas in your Focus? I've always put in 87, what's usually classified as regular in low altitude states, and mid-grade in Utah, into mine as it's what the owner's manual states. After...
1-1 of 1 Results
Top