That's an interesting idea. I'm getting ready to modify my shifter linkage for an aod, but that seems like it would be a lot easier.
1969 Mach1 - Gulfstream Aqua - 351w 4v
1967 Coupe - Red 289 2v (sold in 1996)
1970 Mach I - Grabber blue, 351c 4v. (Sold in 1999)