Salam !
Folks need auggestion for both my cars oil change
The Corona(4AFE) has around 200k on the clock and is on Cng so can i use synthetic oil in it ? Also i wanted to know weather its legit to get its engine flushed ? any harmful effects ?
Now coming to the City(L12) driven 115k also on Cng going to swithch over too synthetic oil which grade should i get ? Also will get its engine flushed aswell