Read this thread and keep in mind that low compression 440s can be found for between 500 and 750 bucks pretty easy as a starting foundation. Sometimes (but not often) quite a bit less, sometimes more.

https://board.moparts.org/ubbthreads/show...&PHPSESSID=


Now I need to pin those needles, got to feel that heat
Hear my motor screamin while I'm tearin up the street