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Message: <blockquote data-quote="uncltrvlnmatt" data-source="post: 610894" data-attributes="member: 8290">My 97 Cobra has 169k on it. Pretty much stock accept for 3:73 gears. I get on average about 20-22mpg. That is right around 300 miles per tank. I have had a high of 26mpg on long trips. You should be doing way better than you are.Replace the plugs, wires, and air filter. Hotter coils might help, but I did not see much difference going from the stock Ford coils to the MSD coils. If you have not done an oil change, do it. You would be suprised what fresh oil will do. Also do the fuel filter as mentioned. Use platinum plugs. If you use copper plugs you will notice a power and fuel milage difference. I changed mine from platinum to copper for about a week. Then threw the copper plugs in the garbage and bought some new platinum plugs.</blockquote>