I'm Cummins swapping a '74 Duster, thought I'd share the progress.
This car pictured here was a 1960 Chrysler 300F that a friend of mine owned (RIP). At its peak it had a 500CI Kieth Black 440 based aluminum engine. He outfitted it with a Lenco 5 speed transmission and many other mods to try and keep it alive. The rear end was the weak link. Before it was dismantled for an “upgrade” it ran a best of 10.xx @ 13x m.p.h. (Sorry, I can’t remember all the details. The car weighed 4000 lbs. My point is, almost anything is possible.
Back to your regularly scheduled programming.