Some of these may help:
https://www.youtube.com/watch?v=aW9yj5UJSm4
https://www.youtube.com/watch?v=pflucFXDuCU

This was done on an old 3.8
https://www.youtube.com/watch?v=w9nt1T6qs4o

https://www.youtube.com/watch?v=_vNgI1U-Lz0