Hemi Swap Checklist
holley hp efi system and never look back. plug and play. load up the gen 3 hemi 5.7 tune and your done after a short drive in it. xfi i am no fan. efisource.com megasquirt kit is damn skippy as well.
older 5.7 with a set of eagle heads amd cam will be a beast over a 6.1 even.