Originally Posted by ImportLabSRT
OP, the issue with the turbo feeding the supercharger is that the supercharger becomes a huge choke point. There is a point that the supercharger cannot flow enough air to keep up. Also, high boost pressure does not always mean more power. Think more about air flow than boost pressure.
Exactly.. Pressure is needed to overcome restriction.. airflow makes power. To add to this, the turbo heats the air as it compresses it, then the supercharger heats it even more... The heat exchangers can only do so much. High air temp's = faster flame fronts = detonation.