Don't the tanks always equalize when the engine is running? I thought that was how they work anyhow. I'm pretty sure my tanks keep about the same level judging by when I'm filling up anyhow. I don't think there is a crossover line at the low point on my tanks though. I think there is some way they circulate the fuel between the two to keep them equal.
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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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