1973 360

dynamic compression is a function of the camshaft (valve timing).
here, to save us all a lot of time is a link with an explanation Compression ratio - Wikipedia

if you're looking for a specific dynamic compression ratio you build toward that by carefully selecting components to give you a static compression ratio and then modeling your camshaft selection accordingly.

anyway, for what you're trying to do, something with a static compression ratio of 9~9.5:1 will be more than sufficient. just don't select some big dumb cam and you'll be fine.