My 2002 Buick Century is running with Petro-Canada Supreme 5 w 30 (mineral)for the last 3 months and 11000 km or 6820 miles.
This is about 75 miles of highway per days
I can say 6250 miles of highway. The engine is running around 2000 rpm for about 40 mn ( 65 mph)
I beleive this is an optimal condition for this oil and engine ,even in winter.The car was plugged in ( at home) during the very cold months.No excessive idling.
Now I am waiting for the oil life monitor light to go off...but I also reach my limit.
Should I wait a little longer to see ? or should I dump the stuff and get it analysed ? Note that the oil seems to be in pretty good shape, not too dark (can see the dipstick through it), not "tacky" no mayo in valve cover. I know I know its not the best analysis but I have seen worst oil condition.
I also drive a Montana 2002 ( mainly town)and very short trip and I had the oil analysis done at the last oil change and everything was ok, the oil was almost all used when the monitors light goes off, seems reliable enough for me.
Maybe GM used the right receipe ???
Input please
Richard
This is about 75 miles of highway per days
I can say 6250 miles of highway. The engine is running around 2000 rpm for about 40 mn ( 65 mph)
I beleive this is an optimal condition for this oil and engine ,even in winter.The car was plugged in ( at home) during the very cold months.No excessive idling.
Now I am waiting for the oil life monitor light to go off...but I also reach my limit.
Should I wait a little longer to see ? or should I dump the stuff and get it analysed ? Note that the oil seems to be in pretty good shape, not too dark (can see the dipstick through it), not "tacky" no mayo in valve cover. I know I know its not the best analysis but I have seen worst oil condition.
I also drive a Montana 2002 ( mainly town)and very short trip and I had the oil analysis done at the last oil change and everything was ok, the oil was almost all used when the monitors light goes off, seems reliable enough for me.
Maybe GM used the right receipe ???
Input please
Richard