68-69 B body info needed...

Would a 69 roadrunner have something in the VIN code to identify it clearly? Would it definitely have a Dana 60 or 8 3/4?..
8.75 if 383 car. However, 318 and /6 cars can also come with 8.75. I don't think you'll find a 383 with a 8.25/7.25, and you'll not find a RR with at least a 383 (standard equipment). Dana 60's were pretty much 440 -6 pack/Hemi rear ends.