Slant 6 727 Transmission
Yes,several years ago, I believe it was Mopar Collectors Guide did a article on a 1970 Valiant.
It was Black with blue interior. Painstakingly restored to OE specs.Slant 6. Not sure if it had a 727 but it did have a 8 3/4.
It had the front discs and 10'' rear brakes from what I remember.