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Old 10-31-2012, 10:26 AM   #25 (permalink)
heading for 40
redorchestra's Avatar
Join Date: Feb 2012
Location: Car Free Island
Posts: 163

Hong Kong MTR - '98 Bombardier/ nee Adtranz A-Stock 5 paired doors
90 day: 102.63 mpg (US)
Thanks: 45
Thanked 25 Times in 14 Posts
what did you change on the plugs. I found changing plugs from the OEM to Autolite copper plugs gapped to 0.055 made the engine smoother ruunning and my MPG s jumped significantly. look on a focus forum for the plug number i believe it is autolite 140 or something, they are super cheap too

does my sig work now?
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