My new project. Has 1954 235 with 3835913 head, Saginaw 338935 4 speed and open drive line. Can't get info from PO. Has like new 12 bolt rear end. rear end numbers 12345 lower 6x890 upper x= can't read. any idea if this is 3.07 or what? Thanks BIll

Last edited by 49 3100; 09/25/2018 8:16 PM.