I just did a axle swap on my 78 chevy and i dont know what i do with the driveshafts next. My truck was a 3/4t before i bought it and the guy stuck 1/2t axles under it. I have a 1pc driveshaft out of my 3/4t suburban that i wanted to use what do i need to do, i also need to know what to do on the front also. Thanks for the help. 78chevy 350, sm465, 14bltsf, 44front, 38.5s, 6 inch springs up front 4 inch shackle flip rear+ 1 inch spacer blocks, 73 suburban parts truck many parts for sale super cheap.