We used to do a bunch of five speed conversions back in the day. Hydraulic systems are not that hard to do but make sure that you get the cylinder that goes through the firewall perfectly in line with the pedal. There should be a mat under your carpet with a cut out in it to show you where to mount it. Ideally you would just get that part of the floor board from the donor car and use it to make wure of the placing. And as long as you have leg hand coordination keep yout manual. But if you are so old that the old body is betraying you then get an auto