Quote Originally Posted by number001 View Post
The problem with the PTT oil is that is weight:30 which is too "light" or thin for the kind of heat that our units faces in the hours long traffic in the metro.

You can continue using your casa 5W-40 bec. it is better than the 5W-30, IMO. Or you can look for other weight 40 oils.

Many thanks sir, so lower number means bad for a day to day traffic driving condition..i guess i can continue using the cass provided oil..