"...i want this thing to run like a beast.."

Easiest way to do that is with more cubic inches. A good 455 or non "557" 400 block stroker, with 6x heads will make 400hp /500ft lbs of torque, easily.

http://lenwilliamsautomachine.com/455_Long_Block.html

http://lenwilliamsautomachine.com/455_Short_Block.html

Can't get Sandoval site to link. But you can go to the site and see their 400 stroker shortblocks starting at under $4000.

http://www.sandovalperformance.com/#!product/prd12/2017678915/budget-series-shortblocks

And there are probably a few guys who can build one for you, slightly cheaper. And there are LOTS of guys who will build you one for a much higher price.