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Old 03-03-2011, 08:32 PM   #2
Bob86ZZ4
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Join Date: Feb 2009
Location: St. Paul, MN
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Those rpm's seem pretty high to me. I don't know anything about that engine tho. Mine is turning 1450 rpms at 68 mph. That mileage doesn't seem that bad either.
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'03 Freightliner FL112, 295" wheel base, with '03 United Specialties 26' living quarters, single screw, Cat C12 430 h/p 1650 torque, Eaton 10speed , 3.42 rear axle ratio
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