My 1st post in PW..
i am using Shell helix hx7 (5W 30) in corolla xli 2010 after advise of ''old experts''. its giving me so far good results 14/15 Kml average (80-100km/hr).at 55000 kms engine is good but dont have any idea about engine wear n tear since last 2 usage of same oil. i want advice from all senior members/ expert dat
1) should i change to other type/ grade or continue same
2) Any other good alternative of brands
3) Any suggested oil for winters(punjab)
your expert comments are invited please.