torque looks lumpy at the top end but it stays up there very well. every graph i have seem on the 180 is identical up to 4000rpm then after that they are all completley different. its all to do with the bloddy plenum.
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Astra GSi turbo
Regal Autosport Astra GSI Turbo 304 bhp 356 lb/ft
Thorney motorsport Vectra vxr 305bhp 398lbft
Now its time to build a big turbo MG ZS
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