But you don't want to run low compression with a turbo or centrifugal supercharger.... Find 07-12 GT500 or 99-04 lightning crank, a set of Manley H beam rods ($700 new) a good set of Manley or Diamond pistons. Go for 9.5:1 compression. Oem head gaskets, head studs are a must $250. Run a MMR has some good oil pumps for Mod motors. With machine work, parts, and labor (if you don't build it yourself, your looking at $3500 in a good short block. As far as your heads go, just a stock valve job with bronze valve guides is all you need, thats another $600. www.svtperformance.com
.... It's another forum that has a really good market section for go fast parts... That may save you some money as well.