The Stovebolt Site Forums The Shop Area Driveline 1949 chevy 3/4 ton rearend swap

I have a 1949 GMC 3/4 ton with 456 with open drive shaft. I would like to change third member to higher gears. I saw in your 7/2/13 post that you have done this but I haven't been able to pm you. No one seems to give a straight answer on what you can do. Thank you.