Quote:
Originally Posted by nachob
Of course it's for the entire range?????? You can't shut off turbos?????? The turbos are not limited by crank speed so they can continue making boosts after the supercharger can't anymore????? Yes, the supercharger fills the low end void whilst the turbos come into their own??? Not sure what is wrong about that????
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The supercharger spools the turbo at all RPMs it doesn't stop or go into bypass.
The supercharger alone boost output is detrmined by pulley size it doesn't go up or down with rpm, it works as a boost multiplier with the turbo...The larger turbo is also flowing air at every RPM it just doesn't flow enough CFM to create useable boost at low RPM...Put them together and you get as much airflow as you can use when ever you want it at almost any RPM..
My turbo flows into the supercharger - chargecooler and then intake manifold...
This may give you a better idea what happens with the boost..