A ant Joined Nov 18, 2003 Messages 253 Location Louisiana Feb 28, 2004 #1 Can I mix Royal Purple 75w-90 and Mobil 1 75w-90? I need two quarts total, and I have one quart of each mentioned. Any reason not to mix the two?
Can I mix Royal Purple 75w-90 and Mobil 1 75w-90? I need two quarts total, and I have one quart of each mentioned. Any reason not to mix the two?
U unDummy Joined Feb 1, 2003 Messages 8,755 Location RI Feb 28, 2004 #2 Mix away. But, it won't be as purpleish.
