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New member here, 2003 SVT Cobra, getting 14mpg.
Hey, I'm Mike. I stumbled upon this website and I'm really enjoying it so far. Working with cars has been a hobby of mine for years and this is the first place I've seen with this much info about mpg improvements. I drive around 30,000 miles a year so any extra mpg will pay off quickly. Here's what I'm working with:
2003 Mustang Cobra in avatar, with a few mods, making around 500 horsepower(crank). I'm averaging 14mpg per tank, best was 20mpg on the long ride home after purchasing the car(the only time I babied it) I've always envied the mpg that some of my friends knock down with their LSx powered GTO's/Vetts/CTS-Vs. Right now I know that I can make an increase with a new tune, the one it's running on now is very rich. I also believe putting the cats back in would help. I drive this car very rarely. On the SVT forums I've seen a couple people get 26/27 mpg, but little attention is on economy on those sites.
1998 Cavalier, 2.2, 205,000 miles. Only getting around 25mpg in this cold weather. Best is 28mpg in the spring. It's biggest restriction is the 3 speed automatic. Today I switched out the air filter and put in some new platinum plugs that are 1 heat range warmer. We'll see if that makes a small improvement.
1995 Accord 2.2, 350,000+ miles. Original engine/auto trans. Gets a solid 28mpg driving conservatively. Best mpg was 31 but that was back around 220,000 miles.
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