ECUxPlot has a HP calculator. You enter gearing using rpm vs mph ratio, since sometimes its hard to figure out the gear ratio for tools like the one you're using.
For ECUxPlot, all you need is a gps unit to get accurate mph.
Which blocks i need to log with VCDS?
It is not unusual that 1.8T develops more power at stock than the manufacturer specifies.
Actually in most cases they are.
Ok, another example: Jetta 1.8T 150hp stock - 114g/s at 5500 -> 142hp...another 8 has dead? ))