Originally Posted by Infinite

no, you have to plot the airflow and p/r across the rpm range.
the dots from left to right are rpm/pr and cfm. i used 3800 for full boost, it seemed like a conservative figure, taking into account acceleration boost curves, as well as higher gear highway speeds, etc

you never want to be left of the surge line or right of the choke line
honestly the t-76 would be dead on the money, and you can get them rather cheap and you have a ton of turbine housing options