He said he replaced the gasket. He said he sent in and had head and valves checked. I asked him what was wrong and he said "Leaked". He said it was no big deal but it was his sons car and his son was very picky about any issue with the car.
Checked the Carfax report too and it looked good. One accident involving front impact with "Very minor damage" reported back in August 2014. This must be the scratches on the front he mentioned. He's going to get pics to me.
Car was originally sold in Canada and spent the first 98k miles there under 1 owner.