Nice car, but going to cost you a chunk to restore. I wopul suggest that going with the 383 may not be the gutsy way to go but it will cost you less to simply have what you got rebuilt.

'69 Hemi Charger 500, ‘70 U code Challenger R/T
(These and a bunch others at www.dkowal426.com)

P.J. O'Rouke: "The old car ran perfectly, right up until it didn't."