I was planning on using 440 source kit ,will check muscle motors kit out ,590hp sounds good must be plenty of wheelspin running low 12,s. Sounds like a pretty reliable set up which is what I'm after has it will be Street driven.
This setup is very reliable, I beat the crap out of it! Lol, and I also go on long road trips also and will get 14 mpg.. I have ported 440 sorce heads and a smallish solid cam, which will be changed this winter.