Engine swap idea

Thanks for all the responses guys. No, the magnum engines aren’t available here unless I import one. LS engines are but they’re still around $5000. Jeep 4.7 V8s are cheap but from what I’ve read they’re not a great option.
The AW4 transmission is an Aisin Warner trans, Toyota uses it behind their diesels, V8s and in their twin turbo Supras but they call it an A340. I’ve actually got one of the Toyota ones in my shed from a Lexus LS400. They’re a great transmission and pretty strong too.