Swapping in a hemi 5.7

new guy here. i want to do this swap on my 64 dart gt convertible as well. iv read that the 5.7 will bolt up to small block trannies. ive seen the crate engines, but there has to be a way to yank a 5.7 out of a ram or magum and put it in my 64. better yet wait awhile for the 6.1 to get into the trucks and wait for one to pop up on ebay a few years from now. i have alot of other things i have to do first to the 64 before im even ready for an engine, but my dream is to modernize it with the fuel injected 5.7 or 6.1.