65 ohhhh barracuda

That's the fender tag. The VIN plate is on the driver's door pillar. Looks like it started life as a 273 2bbl. automatic.
Indeed it did so any preference as to a decent drive shaft that's gonna go from a 727 tyranny to the original rear end . I'm getting 52.5inches and that's with mybe 1/8 play in between. Tennyson seal and yoke contact.