121 is a fun car to drive, for funtop, is better not to do hard
corning as the build quality is not better than the Hard top.
the Funtop, do not have enhance bar, therefore too many hard
corning may have difficulties to open and closed the top.
change the Air Intake, Spark plug cable and spark plug, this should
gives you a better pick up.
Fuel consumption is about 11km/ltr.