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gas mileage

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10-15-2018, 03:22 PM	#1
jgr Registered User Join Date: Apr 2016 Location: saginaw Mi. Posts: 70	gas mileage I am sure it has been ask BUT 2001 HD 8.1, is this normal....8 miles to a gallon? I could live with 10 but 8 dang Truck only has 66000 miles on it and yes it has the allison with 4/11 gears Any advise thanks

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