[68z302]

I believe that's "non original motor" [img]/ubbthreads/images/graemlins/biggthumpup.gif[/img]
There's a lot of "play" room in how cars are listed.
You'll see "numbers matching" in some listings even if it's not the original engine.
Of course they do that with correct numbered date stamps for the parts, which is the next best thing. There's probably a lot of cars with "original engine" restamped blocks around for those higher value cars. [img]/ubbthreads/images/graemlins/thumbsdown.gif[/img]