I was looking around for pictures of my car before I owned it. Fortunately the paint job is pretty distinctive so it's easy to spot in image searches. I came across this image from before I purchased the car:
Am I wrong or does that look like a six pack set up?
At purchase it had a 4 barrel Holley on it. I know the engine has had some freshening over the years (headers, intake, coil ,etc).
Also in this picture I notice a few other changes:
The wheels have been changed
Hood pins were added
Fender mounted turn signals were added.
For reference this is what the car currently looks like