360 Magnum vs 340 mild street build - my experience

... Valve shrouding in smaller diameter bores especially when adding 2.08 valves or larger on a cylinder head how much does valve shrouding come into play with a 2.08 or larger valves ....

Have you seen small block heads with 2.08 valves? The valves are almost touching. That is race car stuff, definitely not needed for us mere mortals.