Was your car hs installed cng at any point ? I have notice 20/50 grade oil me gari smooth nahi chalti. ya phir mujhe asa feel hota.
Naaaaa man. Only driven on petrol. Petrol was below 91ron in those times and it used to knock most of the time.Engine should perform better now coz petrol quality is way better as compared to 2010.
thankyou. So nice of you.
