stupid question maybe...but.

[jasburbak]

I know this may sound like a stupid question to most of you, but i just keep on wondering this... what is the difference between a regular crate engine setup (say for ex: a 454ci) and this engine (it was taken from a members photo album here) ... i've seen the same engine type in old 60's ferrari's..
basically what is it, and whats the difference, and what does it do... thanks.. Jason