If it was a package, it may have been a single dealer doing their own package. They would have had to of been a mega volume dealer to turn that many in a year.
I would say not real likely...

84 D150 440/727
79 /6 swb D150
1964 A100 window van. Just because it has spark plug tubes doesn't mean it's a Hemi.



If ya haven't been there, ya just wouldn't understand.