1992 Vauxhall Astra GSi Turbo C20LET Stage 2 Map & Setup (With Dyno Graphs)
1992 Vauxhall Astra GSi Turbo C20LET 180HP (203 lb ft / 275 NM of Torque) Faulty amal valve replaced and Remapped / Chipped to 270HP (276 lb ft / 374 NM of Torque). All previous flat spots ironed out with better drive ability, improved throttle response and longer powerband.














