Quote: With the bore of a 383 (4.25) you can go with a lot bigger valves than you'd ever get into a 360's bore (4.00).
Yes, but also keep in mind the 360 Magnum crate with its 380HP made more HP than the 360 LA crate with 360HP it replaced... and it has smaller valves too. This is where old school meets new school, and kinda the point in this whole thread... does the modern technology make up for good ol' cubes and big everything.
