If it's growling engines you like, here is some footage of a few of Jim Hall's Chaparrals. These cars had some nice big Chevy engines that could growl with the best of them. The first link is the 1967 Brands Hatch 1000 km winning Chaparral 2F.
http://www.youtube.com/watch?v=QWlfk...eature=related
the second link is the Chaparral 2E in the garage warming up
http://www.youtube.com/watch?v=BI42L...eature=related
and last but not least is old 2A sounding as good as ever
http://www.youtube.com/watch?v=9f6dv...eature=related
DK