03-14-2007, 11:48 PM
Drivesthebeast,Mar 14 2007, 09:43 AM Wrote:/\ pretty friggen good man...my car was under 100km's per tank when I sold it, but I never changed the fuel filter once while I had it...I ran 94 and 93 octane through it more than 50% of the time, as well as fuel injector cleaner at every oilchange...yeah I know, detergent city...lol
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I found that putting higher octane in a stock focus just hurt mileage. On the highway, it increased consumption by nearly 20%.
don't put in supreme unless you're tuned for it...otherwise it's just problems waiting to happen.
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