It has been a few years since the trans fluid has been changed and the car is at about 106k now. The fluid still appears red and doesn't have a burnt smell or whatnot to it. But i'm not sure how many miles it has been should be under 30k. The fluid is amsoil. Also the plugs are double platinum motorcraft. The sticker says .52-.56 for the i believe single platinum plugs. What is generally recommneded now that the vehicle is a bit older and has the double platinums the same, less or more gap? Also the wires are prestosil class E which were misrepresented as ford oem. Though the price was pretty cheap around 30-50 bucks if i remenber correctly. So I wasn't too angry. However I do remenber my mpg when I put in the plugs and wires after popping the negative went up to about 16 or so city. However very shortly thereafter the mpg dropped back to 13-14 city. Its not a result of resetting the computer, could it be the wires or just the car getting old? At 45k when we bought it mpg was about 16 city. O2's have been replaced, pcv, vac lines, except the emmission tee which i have to order. Oil is mobil 1 5w30 syn, trans is amsoil syn, ps fluid is mobil syn atf and tires are 37-35 front rear michelin symmetry 44 psi max cold all around. Any ideas?
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