[Streetwize]

I've built just about every domestic V8 out there over the past 30 yrs, each one has it's own signature Tone...almost like a Guitar...but in general the Cam overlap and the compression (particularly with a roller that "chirps" make it very difficult to tell a Big Block from a small block, but at 427" an FE won't rev as quickly as a 427 small block and will have a deeper slightly more pulsating tone with a similar cam and compression. And the newer aluminum FE heads have smaller fast burn chambers, and they make more power and they sound closer to the modern headsed smallblocks.