Fix it, 2nd gen Charger with a Hemi will bring good money, I have had serious offers for my 68 Charger with a 512 wedge 50k US,& it is just a good driver,Fix what you have & you will KNOW what you have.

1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5