RustyRatRod said

Terrible location. That puts the pump above the tank. It needs to be well below the tank, so that it is basically gravity fed. Electric pumps are made to push, not pull. They don't pull very well and the more they have to the shorter their life span. Even if it is well ahead of the tank, I would put it on the frame rail in front of the rear axle C channel, where the frame rail is parallel with the ground.

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