Originally Posted By: crazyoildude
I did not think anything quieted those 3.5 v6 engines when cold.. I do know they are good engines though
It does not make any weird startup noises, which is good. LOL. Very smooth running when it is warmed up. Hard to complain about QSUD because I have tried Mobil 1 EP, Mobil 1 and PP in the Hyundai 3.5 V6.