hi......guys i was advised to use CALTEX HAVOLINE,,,,,,,but i wasnt able to get 10w-40 ,,,,,,,so i bought 10w-30,,,,,,,now shud this oil be used ????/bcoz redbull has said that in summer the 40 or 50 is better while i have 30???//?
and is this oil better than SHELL???????
the oil that i bought was this
