Originally Posted By: ARCOgraphite
I dont have good cold start performance with my current fill of Mobil 1 Advanced Fuel Economy. Very Disappointed and thats at -10degC. Its not a "thin" 30w spec wise - and neither is GC.
I've been surprised how poorly the 0w30 has done in the cold. Last winter was colder, and the Valvoline Synpower 5w30 did even better.
