Quote Originally Posted by robin_micmac View Post
If you're engine is a 4G32, I think the GTX 20W50 is just fine as the engine is of an older design. it has wider tolerances than modern engines. but using a 10w40 would be ok as well as it is lighter on your engine and its still a 40. if you have budget try using Castrol Magnatec 10W40 API SM. That's what i use in my rover mini.
agree, even casa uses the mitsu oil 20W-50. well recommended for hot climate like pinas. IMO since it is an old school but really proven engine nothing is wrong with the 20W-50. it's the interval that makes the difference.