Originally Posted by Coastie05
Is QSUD as good as Valvoline FS? I do 7,500 mile intervals and I'm considering switching for my next oil change since at Walmart QSUD is $17.97 compared to Valvoline FS at $24.95.
Quaker State's shelf competitor is Castrol Magnatec, Mobil Super Synthetic..
Valvoline's shelf competitor is Pennzoil Platinum, Castrol Edge, Mobil-1 Vanilla.
Notice the two different ladder rungs?