73rearend

[snakesden5]

i just picked up a 73 charger with a 318 block .the rearend is a 7 3/4 what can i do to bump it up im new at this and could use advice thanks

[RD]

its either a 7 1/4 or a 8 1/4 or 8 3/4...

http://www.moparts.com/Tech/Archive/axle/6.html

see pic on that page to identify. 

to upgrade, you will need to find a 8 3/4 for a 73/74 b body, a 71/72 will fit, but has some differences.  easier just to find a 73/74 b body housing since you are new to the game.