Frank, I just checked the slip because you had me doughting myself!
.......but I was rite #3300 I'll post a pic.
Don't forget the Dart has a 3" longer wheel base. Plus the notch is 100lbs lighter than a fastback.
These #'s are from DMV registration that goes by vin# but ya can't swear by DMV
'69 notch 318...2900lbs
'69 notch 440...3195lbs
'69 FB 340.......3100lbs