Just out of curiosity, how many people here use Valvoline maxlife synthetic blend, if so how long have you been using it? And what is your mileage? I have a 13 Ford Edge with a 3.5 I've been using 5W20 weight for the last few years I have about 113,000 MI, I just got a UOA back absolutely no metals, showing absolutely no signs of wear, and plenty of TBN left in the oil.