Starting, revving and shutting down my aux bridge high compression 6 port turbo RX-7 looking into the mouth of the GT4088R ball bearing turbo. Notice the easy spool and count how many seconds it takes the turbo to stop spinning after the car is shut down. Talk about turbo response! 10 PSI by 3000 RPM at less then 70% throttle.
The entire build process of this car can be found at