The Turbo: Turbonetics 60-1 AR: .78

A Turbonetics 60-1 with an AR ratio of .78 was selected for good mid range performance. Here is a picture of the turbo:


When looking at a compressor map the x axis is in airflow in lbs/min and the y axis is pressure
The pressure ratio y axis reads in % over atmospheric pressure at sea level.
Here is its compressor map: