Look harder. You cant. I already told you that you can't' date=' you dont need it anyway. I've run without one for nearly 2 years now, and had no problem. [/quote'] how much longer does the oil take to get to 74-76 without it? I don't know, I don't measure such things. Its usually up to temp within about 15-20 min on a cold day, depends on how i'm driving it though!!!