We all know the leading synthetic oils are Mobil 1, Amsoil, Redline, and Pennzoil Platinum. Let's forget about those for now. How would you guys rank these synthetics:
Valvoline Synpower
Castrol Syntec
Quaker State Advanced Engine
Quaker State Torque Power
Super Tech Synthetic
Havoline Synthetic
...
Valvoline Synpower
Castrol Syntec
Quaker State Advanced Engine
Quaker State Torque Power
Super Tech Synthetic
Havoline Synthetic
...