After hitting 290 degree oil temps at COTA this weekend, I knew it was critical that I change my oil asap. Unfortunately, I was not smart enough to think about this ahead of time and schedule some time on Sunday for it. So I picked up 5 qts of Mobil 1 (5W-30) at Wal-Mart and a Mobil 1 oil filter (M1-108) from Pep Boys today at lunch and then took off early to get home and let the car cool so I could change the oil. Just got done and she's purring like a kitten