No VIN on the dash is a major red flag.
Is there a sticker inside the driver's door with the VIN number on it?
Does the seller have a title for the car?
What is the VIN on the title?
You need to get a VIN number for the car.
There should be VIN sequence numbers on the front radiator support and on the cowl in front of the windshield(drivers side).

All original 4 speed cars with 440's (4 barrel and Sixpack) and Hemis had Dana 60's