Nice. The transfer from the aux tank to the main tank used to take around 20 minutes or so. I never timed it exactly. I just waited til I was below a quarter tank on the expressway and hit the button. That would take it back just about to full. Of course, in 20 minutes, I probably burned a quarter tank of gas

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That was using the Holley Blue fuel pump. The first pump I bough used and it lasted a couple years. I put a new on on after that but rarely used the setup. The tank is from a Geo Tracker 4 door. Fits in there just about perfect. I pretty much copied the thread from
@LandCruiserPhil from some years back.