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That mileage is airing it out at 75 or so. I do have an injector that needs replaced, and that may be having a small effect on the economy. I don't know what my rpms are at 60. In overdrive it turns somewhere around 2200 rpm or so at 70. I really wish the truck 4.10 instead of 3.73. It is bumping the red line at 60-65 in 4th gear, but drops out of the power band in overdrive. With lower gears i could cruise in overdrive loaded. I am going to start trying to keep a mileage log to see what is going on exactly. The injector may be having more of a hit on economy than i want to admit.
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1986 Chevy C-10 10mpg Grandpa's Truck
2004 Chevy 3500 diesel 10mpg The work Truck
2003 Honda Civic Hybrid 5 spd ?? Mpg My Carbon Pentance
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