Hy Guys
Which oil will be best for my Car? My driver were using Havoline, and now he switched to total and I'm not satisfied. I Like to switch on synthetic. I used Zic on my Mehran in past but it made my engine making smokes. What you gurus say about Zic XQ or Mobil 1. As Mobil 1 is 5W50 I think it should be best. Please recommend.