I would think turbos are alot more then superchargers unless the procharger you refer to is a high PSi model .. but all in all turbos are a more effifient form of forced induction... you're using waste energy as opposed to taking away from the engines usable power...
-as
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'89 GT Convertible:
TFS TW Heads, TFS Street Intake, TFS Stage 1 Cam, FMS 1.6 RRs, 24# Injectors, Pro-M 75mm MAF, No Name CAI, 3.73s, O/R H-Pipe, FlowMasters, AOD w/ Trans-Go Shift Kit
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