I just wanted to update this post. I finally got my restore on the road last month and after driving for a bit noticed that my fuel gauge was reading almost half tank, which was correct. But then when I looked down again it was empty so I figured the sending unit resistance value is correct. I removed the unit last week and took it apart and found that the part that "wipes" along the windings, had too much tension on it and was stuck. I made two adjustments, one was decreasing the tension on that part, the other was bending the tab that the arm rests on so the wiper would always be in contact with the windings. I've been driving it around now, and it works perfect.
This is a Spectra unit and it is made very nice compared to the original one I removed.