The most annoying thing of HINO 300 8.5T Euro-4 was weak power performance when heavy loaded. The fuel consumption was also not quite well.
P-BOX record:
0-60km/h acceleration time is 19.3 seconds.
Re-acceleration P-BOX record:
30-70km/h re-acceleration time is 22 seconds, there was seriously turbo lag.
After MYS ECU Tuning, P-BOX record:
0-60km/h acceleration time is 15.9 seconds.
Re-acceleration P-BOX record:
30-70km/h acceleration time is 16.8 seconds.
The power performance upgraded 42~45hp and 8.2~9kgm, especially more powerful at low and medium RPM. Fuel saving was about 8%~12%.