Quote Originally Posted by smcgowan
It does shake, and it's not the valve noise. Almost like it's running on 5 cylinders. It goes away in about 45 seconds or less. I guessing when the lifters get enough pressure to open the valves fully. Also the smell on gas in the air when this happens. It happens to me about once a month.
I'm running Mobil1 0W-40 and I don't have any problems with valve rattle at all, only a first few seconds after a cold start, but the shakes start a minute or two after that.