Why?

Couple high end 3G hemi builds worth mentioning:

832 hp N/A
http://www.lxforums.com/board/f113/832hp-694tq-hhp-bes-n-stroker-motor-339948/

1600-1800++ hp blown motor:
http://www.lxforums.com/board/f113/worlds-most-powerful-late-model-hemi-dyno-results-340302/