Upgrade stages up to 60Hp for the 0.8CDi engine of Smart ForTwo.

Stage 1 and Gearbox upgrade are presented below. 

Stock engine specs:

Capacity: 799cc
bore x stroke: 65.5 x 79 (mm)
Compression ratio: 18.5:1
Turbocharger: 

Full boost: bar@1800 rpm
Constant pressure:bar
Pressure at revlimit:bar
Revlimit: 4500 rpm

Power: 41hp
Torque: 100Nm

Stage 1:

Engine upgrades:

-Stage 1 Software upgrade

Engine performance:

Full boost: bar@1800 rpm 
Constant pressure:bar 
Pressure at revlimit:bar 
Revlimit: 4500 rpm

Power: 60hp
Torque: 150Nm

Software upgrades:

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

Gearbox upgrade:
Under development