god knows but i really cannot beleive the difference, my dad has just driven it and he cant beleive the difference either! i happy its sorted but pi$$ed off it wasnt done in time for the rolling road! lol
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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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