Re: 10 mpg??
1. It's a 3.0, so not the most efficient.
2. You rev it to 4000 rpm before you shift? there's a big problem right there.
3. Larger tires will kill your mileage, as well as throw off you speedometer readings, making your calculations incorrect.
4. Your method of determining mileage is faulty. Run a full tank of gas through the truck, recording miles driven, then fill the truck back up to full, and record how much fuel you actually used, and do your calculations from that. While you may have a 16 gallon tank, you hit E on the gauge before you run out of gas, so you never really use all 16 gallons.
All that said, I agree, your mileage is kinda low. When's the last time you changed the O2 sensors? Cleaned the MAF? Changed the plugs/wires? Cleaned the injectors? Changed the oil? Greased your bearings? Checked tire pressure?
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I got my Jesus on the dashboard, but the Devil's under my hood!
Last edited by Johnbaum13; 03-31-2010 at 09:18 AM.
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