Twin charging make sense

[kinger]

LOL

 

[Sportsterdanne]

I have seen a build with spercharger and turbo here in Sweden.
it was a very complex system with reed valves and blow of valves to divert pressure from the unit making lowest boost at the moment.

 

[kinger]

So more of a sequential set up then? That is why I am leaning towards compound with turbo feeding SC.