improving your mining power by up to 15% by simply running an additional script and light weight software package
That's a pretty bold claim right there. So a stock S5 will get 1328Gh by a script?
The Radiators are designed improperly if you ask me. In fact their curved blades in my opinion trap heat rather than expel it.
Running the unit vertical would do nothing but improve the thermodynamic cooling ability of the radiator allowing heat to escape the way it wants to. Up.
Cheers,
Strato