High revving 340 stroker questions

We need more information. The weight of the car, tires , transmission, rear end, & other such stuff. My Demon weighs in at 2500 lbs, 408 stroker. 727 RMVB trans, Dana 60. 4.88 gears, 29.5 x 10.5 C06 Hoosier radial slicks, runs tens all day long. Building a 416/904 with hopes of going 9's.