This is what Bruno Massel uses to spool up rapidly with his world-champ turbo car in Comp eliminator. His father's customers are mainly in Top Dragster and other fast bracket cars with a torque converter.
http://www.brunosautomotive.com/brc.htm
About one paragraph up from the bottom is the phrase "Now Available - Dual Stage Pressure Assembly for turbocharged power plants that allows for ease of "Spool up"!"