Mar 21, 2009 #1 B bunna New member Joined Mar 21, 2009 Messages 1 Reaction score 0 Points 1 I live in CT, I have a 2005 subaru forester and want to change the oil myself. It reconmends that I use 5W30. But I want to use 10W-30 instead. would it be OK to use 10-30 if so would it damage the engine or have any neg. effects.
I live in CT, I have a 2005 subaru forester and want to change the oil myself. It reconmends that I use 5W30. But I want to use 10W-30 instead. would it be OK to use 10-30 if so would it damage the engine or have any neg. effects.