The fact that a Detroit automaker made such a car and didn't feel compelled to spread the word is either a great example of self-confidence or dumb as a bag of rocks. Nevertheless, there it is, in all its exotica-smoking glory, at the link:

http://blog.caranddriver.com/the-500-hp-corvette-that-chevrolet-didnt-talk-about/

Neat... that amount of horsepower with the low weight (relative to today) would be amazing

I would say "pants-crappingly terrifying," but that's just me