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Old 11-29-2004, 08:37 PM   #8
86 Red_Bowtie
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Join Date: Nov 2003
Location: South Wichita,KS
Posts: 698
Before i changed my rearend gears from 3.08 to 3.73 i ran 1700 rpm going down the highway at 70 mph and was only getting 12 mpg. After the change it runs at 2600 rpm
going 70 mph and i am getting 15 mpg and i doesn't kick down on every hill i go up like it did running 3.08. So all in all if your going to stay with 2.73 rear end gears i would go with the TH 350.
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Midwest All Truck Nationals, Riverside, MO - 2008 - 2015
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