J-Bar Tech

What are the affects of running the jbar mounted on the inside or outside of the frame? Obviously the bar will be longer or shorter, but will it work quicker? Also, on a standard frame slider without the arc do you adjust jbar length to keep rearend centered or let it move it to the left when raising it on the frame?

Adjust to keep in specific spot chassis builder recommended. Typically longer is slower shorter is faster, meaning how quick reaction of j-bar has. As for inside vs outside I have nothing really except ideas and like most things their probably wrong