Don, was the engine running during filling? or between filling the one tank before you filled the other tank? I ask because I think the truck tries to equalize the tanks when it's running somehow. I almost always fuel both tanks at the same time. But once I needed fuel real bad and could only find a station with a single pump. I filled up the one tank and then started up and had to do quite a bit of maneuvering to get to fill the other tank. When I filled that it took much less than the first tank. I'm thinking it was equalizing the tanks somehow?
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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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