Here is my sole problem with the original ad, and other such ads:
When the Z28 was 'born', it was born in order to run as a road racer in the Trans Am series (5 liter limit), thus the SHP 302, along with mandatory 4-speed, disk brakes, and HD suspension. The '302' makes the early Z28, just as an all aluminum 427 'makes' a ZL1! The 'Z28' emblem came long later simply to differentiate is as what it was .. a specially configured car for 'road racing' in a 5-liter limit category!
As far as I'm concerned, once a big block is installed, it is NO LONGER a '67-69 Z28~ If the seller had stated that the car was born as a Z28 in 1969, but the car now housed a big block engine as a drag racer/street racer/etc, it would not have bothered me, but one cannot have their cake and eat it too ... It's also misleading to people who don't know what a Z28 is... which would cause some to go away believing a '69 Z28 had an optional big block'! WRONG!
Saying it's a '69 Z28 with a big block is a contradiction in terms, and that was why I optioned the title of my post with .... 'sorta'...