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Poll about 5.4l V8 and mileage
2006 xlt 2wd 68k just replaced the battery (optima) plugs (upgraded to e3s, only one plug broke but was able to have my mechanic get it out before any damage happened) and filter (k and n) good so far :) and superchips 1865 programmer- ladyluck1101
- Post #38
- Forum: 3rd Gen Ford Expedition Engine & Performance
