i had my front and rear round DL's done for $100....... no vibs at 75mph ![Yes Nod :yesnod:](https://board.marlincrawler.com/Smileys/marlin/yesnod.gif)
But can you say this: I made my front and rear shafts square, they are both interchangeable and I can rest the entire weight of my truck on a pointed rock supported by my driveline only, and no vibrations at 70mph.
![Gap :gap:](https://board.marlincrawler.com/Smileys/marlin/gap.gif)