Ran across this, may have been posted before but thought it was a good read. 592HP 4.6L 2V Motor For $2,298 - Hot Rod Magazine After reading, may be looking for a PI 4.6 to build, and after im done with emissions, drop it in.
dang. saw on xtreme 4x4 Ian picked up a 03 L engine for 1k, then built it solid to approx $2500 I would love to pick up a long block and build one..but I dont have the tools or knowhow.