engine tap and gas milage
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engine tap and gas milage
Have 2004 f150 5.4 3/73 rear fx4 2100 miles with low profile fiberglass cap.Have heard tap from motor at idle after warm up.Used different gas brands.Milage on trip was between 15 to 16 miles per gallon. Put 15 gallons of mobile 87 into tank yesterday coming back to mountains.Average speed 70 miles per.Checked milage and it seems to be between 18 to 20 miles per and the tapping noise at idle after warm up is gone? Has any one out there noticed a differance in performance between brands at 87 oct?
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Hamberger
1994.5 - 1997 7.3L Power Stroke Diesel
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Nov 1, 2005 02:20 PM
