CHECK THIS LINK OUT:
http://www.geocities.com/motorcity/s.../50fastest.htm
it's a list of the 50 quickest stock American cars ever put on the road as tested by magazines when these cars were new, not compiled by a single magazine years later...as you can see the 1966 Cobra with a 427 pulled 12.20 1/4 mile, that was in 1966 it took 31 years for another stock american car to beat it...keep in mind the Cobra was tested in late 1965 and then think of how far tire technology has come since then...not sure when this was compiled because by now there would be quite a few more recent additions to that list but I still find it pretty amazing how quick some of those cars were back then when compared to more modern rigs...imagine how those numbers would change with some modern wrinkle walls...