Normal
Don't get me wrong, I know exactly what you're going for: https://smallformfactor.net/forum/threads/i-think-i-found-a-little-gem-realan-e-i7.6175/It's just that it seems to me that MI-6 would benefit "more" (edited in) from exhaust on top. I sure can be wrong. Regardless, definitely test both orientations
Don't get me wrong, I know exactly what you're going for: https://smallformfactor.net/forum/threads/i-think-i-found-a-little-gem-realan-e-i7.6175/
It's just that it seems to me that MI-6 would benefit "more" (edited in) from exhaust on top. I sure can be wrong. Regardless, definitely test both orientations