Hey guys I see all these threads about all these 3.90 rear gears etc. My truck is a 2000 freightshaker classic with at 430-470 detroit 13 speed and 2.93 rear gear. I run local only but mostly on interstate or 4 lane with about 20 stoplights over a 100 mile span (some you catch some you don't) I deadhead pretty much 50% of the time and seem to average 5.5 mpg no matter what. I am having a hard time seeing how everyone is seeing 6.5+ in other "large cars" with steeper gears. At 65 to 70 mph I am seeing 1350-1400 rpms and I feather the throttle religiously. I am aware of the fact that bogging a motor down can be just as wasteful as overrevving it (as far as fuel mileage goes) but I really don't feel as if this is the case with my stuff. Anyone have any thoughts??? Am I getting decent mileage for my situation or where can I make improvements?
2.93 gears
Discussion in 'Trucks [ Eighteen Wheelers ]' started by zerolm, May 19, 2008.
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Then I would want more power to pull it to the end! I NEED limits.
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Thats easily achievable
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