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  1. DURATEC Performance (2003-2007)
    Hey all. I bought a 2005 Focus ST 2.3L 5-speed recently, and it seems to be functioning mostly properly. Torque curve is nice, it idles well enough, the revs hang high with the clutch depressed after throttle, but from what I've been reading, this is a feature pertaining to fuel economy by Ford...
  2. General Technical Chat
    Noticed my 03 SPI using a little oil the last month or so. Has 141,000 miles on the old girl. Its had good engine maintenance with regular oil and filter changes. I use the car 90% up and down the highway at 55 to 60 mph. I get my best fuel economy at those speeds. I always set it on crusie...
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