Upgrade stages up to 185 Hp for the 2.4 jtd engine of  Alfa Romeo 156.

Stage 1 upgrade, is presented below.

Stock engine specs:
Capacity: 1910cc
bore x stroke: 82 x 90.4 (mm)
Compression ratio: 18.5:1
Turbocharger: Garrett GT17v

Power: 150hp
Torque: 305Nm

Stage 1:

Engine upgrades:

-Stage 1 Software upgrade

Engine performance:

Power: 185hp
Torque: 385Nm

Software upgrades:

Boost control is achieved using the OEM ECU and N75 valve.