07-08-2007, 03:07 PM
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Junior User
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Join Date: Jun 2007
Location: Darby, PA
Posts: 92
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Spark Plug Gap
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I have read many threads here and didn't get an answer to my question. I have a 2000 3.0 FFV Ranger and the gap listed on the sticker is .42-.46. What would be the "ideal" gap? Is this just a range that was acceptable when they manufactured these vehicles so that they didn't have to actually gap each plug? I'm getting ready to change mine at 94K. Truck runs great but I have noticed her starting to run a little rougher probably due to worn plugs and wires.
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