how often should you engine flush and add additives??

[boybi]

May i ask kung bakit bawal ang synt oi sa patrol?? is it stated in the manual??

WBR,

sa ZD30 engine ng patrol, meron warning dun sa tabi ng engine oil filler not to use synthetic oils, use only mineral oils.

sa 4JX1 engine ng trooper naman, dapat synthetic oil lang ang ilagay