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  1. FocusFest - Build Journals
    So I picked up a clean 2.3L 2007 Ford Focus ST the other day, I love the car only problem is that this is my first time dealing with a car that’s had any after market work done. The main issue i’m having is what i can best identify as detonation, the car is tuned on 91 octane but the compression...
  2. DURATEC Performance (2003-2007)
    Hi! Ive got an issue that just popped up with my 2.0L 2005 ford focus zx4 SE. I was driving next to a friend of mine and we were messing around, i sped up (from 60mph to 70mph) pretty fast- as i was my headlights and my gauges brightened before the gauges completely died. My speedometer, my gas...
1-2 of 2 Results