Recently acquired a used FiTech. I am going to attempt the installation today on my 65. I have gone over the instructions pretty thoroughly and have a good idea of what I am doing. My main question has to do with the supply and return lines. I have an inline fuel pump that is capable of supplying the required 58 psi of pressure that I will be installing. It has 3/8 input and outlets on it. I am thinking that I will just install a new sending unit with 3/8 output to match the size of the pump. Then instead of my 5/16 supply line I will use my recently installed return 3/8 return line as the supply and 5/16 as the return. Any reason that this wouldn't work. I can't see anything wrong, but thought maybe some here would have some advice.