Instead of destroying a 70 Charger, why wouldn't you get rid of it and just buy a 68 if that's what you really want. I'm gonna say that makes just a wee bit more sense

1969 Nova
454/M21/3.31
Mild mid-11 second weekend cruiser

1994 F150 XLT Super Cab 2WD
5.0/4R70W/3.55
(Daily driver)