1.5 myvi fuyoo i think 1.3 myvi no body want already just like what happen to Toyota Avanza 1.3 liter,order drop more than 50%, all go to order for avanza 1.5liter.
my friend is using RXZ mcycle spark plug Denso
(same heat as NGK plug type 7)
on his vr4 engine since it's quite difficlut
for him to find cold type spark plug (type 6 above)
since turbo engine quite hot...
usually...