Good evening all. The last 2-3 oil changes I have noticed something interesting about my oil. I haven't figured out if the color is from the lighting in my garage or what. It appears as if my oil has a slight reddish tint to it while it is draining from the oil pan but also in my collection container. When i dip a clean paper towel in the oil it appears to be your commonly brown/dirty oil, but it definitely appears to have some sort of a reddish tint (really difficult to tell). The one thing I know for a fact is that the oil gives off a horrendous body odor type smell to it. Not like a rotten eggs smell but a nasty body odor smell. This is not something i have observed before (have owned the car for approx. 2 years.) I was using Valvoline full synthetic 5w-30 and now have switched over to Mobile 1 full synthetic 0w-30. I observed the smell with both brands of oil. I switched to the 0-30 because it helps with dry starts and reduces the tick in cold weather (live in Wisconsin).

No noticeable coolant loss, all other fluids look fine. I'm stumped. I thought about collecting a sample to send in to get analyzed but if it is something others have noticed or there is a solution/explanation then I won't spend the money on that.

Any thoughts? Drive a 2008 GP GXP. Roughly 126,000 miles on her.