i have to do a fuel pump real soon since mine jsut went out and ive been wanting to put a posi in my car but its got 3.08s now i want something like 3.23 3.42 3.73 anything aroun them and dont care if disk or drum. if theres no difference in the mounting of a 9 bolt i would really like one if possibly email me at studebakerjones@msn.com with the ratio location and other information