Now i read Motors Book of 1955.Cadillac,Buick,Olds,Chev,Pont,Hudson,used the same.But only no info if gears are the same.It is a different axle,open drivechaft or closen.Are the parts inside similar.I understand that ratio/utväxl chanced and so.Hope you all can give me what its all about.Stubbe in Sweden