Originally Posted By: salv
Valvoline Maxlife 10w40 for short intervals (up to 5k). Mobil 1 or Castrol 0w40 otherwise.
Out of the three is there one with higher levels of detergents then the others? Or all basically the same (with Valvoline being of lower quality I guess since you mentioned a...
I have a 2002 Audi A6 with the 2.7t (turbo charged engine) with about 160k miles on it. I live in 99354 (Washington state) and low temps right now are around 15 to 25 degrees F. I just replaced all valve cover seals and when I pulled the cover off things looked DIRTY. I tried to clean as much...