I have a weekend toy that I only do a few thousand miles a year in .I always change the oil and filter in the spring .It seems a waste of Mobil 1 .
Longer Lasting AMSOIL Signature Series SAE 5W-30 Synthetic Motor Oil. Extreme heat hastens chemical breakdown (oxidation), altering the oil's chemistry .
Synthetic oil doesn't break down by just sitting for a year, unless the car is. While oil itself doesn't break down from just sitting, it does become .
Synthetic oil is a lubricant consisting of chemical compounds that are artificially made. Synthetic. Better chemical and shear stability; Decreased evaporative loss; Resistance to oxidation, thermal breakdown, and oil sludge problems .