.........please do like this so it won't harmful to your engine:-
-using any standard brand engine oils such grade SAE 30 or 40 run flushing your engine for 10-15 min. then drain its off.
-and now you may change a new oil filter and fill in with any kind/any brand of your favourite engine oilin your car as you needed.
ps. those flushing engine oils may create noisy in your engine if engine aging over 150,000 km. !!!
yogibear