68 Cuda bucket installation location ?

I'm not sure if the 68 is the same, but this post showed me how to locate where the holes should be drilled. If 68 is the same, they're already dimpled, you just have to drill them out and weld in the inboard braces for both seats.

http://www.forabodiesonly.com/mopar/showthread.php?t=17799&highlight=bucket