B&M Hole Shot 2400??

I have to agree. You spent too much money building that 408 to just throw an off the shelf converter on it. I'm building one now and after the car is dyno tuned, we will gather all of the info needed and have a custom converter built for my application. The builder wants to know things like weight, tire size, rear end gear, intended usage, etc. B&M just built a generic converter that will work with your transmission. It will stall at different speeds behind different engines. They knew nothing about your set up.

I'm not saying that converter won't work, but you are leaving a lot of potential on the shelf so to speak.