Thank you again! I am getting excited for this project. I did come up with two more questions. First I was curious why you needed a dremel to modify the pump housing? What exactly needed to be done? Second, If I decide to go through the floor instead of pulling the tank, will that impact my ability to mount the new external filter? Are there any lines that I wont be able to run if I don't pull the tank out completely or is all of the filter work away from the tank and closer to the frame rail? I may decide to just pull the tank if I can muster the confidence and time. Cutting through the top just seems so much faster. It turns out that method does not leave a hole in the floor since they only cut 3 sides of the square and then folded it back. This way the flap can be bolted back down to the cross member w/ self drilling screws. Pretty neat little hack IMO.The UDR kit has every part you need. You may want some spare zipties in case you ever want to pull the pump out again later. Just measure the ones in the kit and buy the same ones off Amazon. Done. Now you have spares for later.
If the tank is nearly empty when you do your work, you don't really need the lift, especially if you have a buddy to help with that part. Getting it out does need some jack stands but good ones from Northern Tool aren't too expensive, will last a lifetime and if you're going to be doing your own work then you will need them again. It's a good investment