Originally Posted By: Slick17601
Originally Posted By: zerosoma
Originally Posted By: Thax
It would be nice to be able to find Quaker State Enhanced Durability somewhere.
We have it up here. Bright red bottle. Strange thing is, there's no starburst OR donut on it ANYWHERE. This was for all formulations...5w20, 5w30, 10w30...
That was enough for me to put it back on the shelf.
Duh, the whole idea of the oil is to have a higher level of zinc than allowed by API.
I believe he is talking about the new Quaker State Defy , that oil is SL rated due to its high zddp content. Both Pennzoil and Quaker State Synthetic Blend oils are API SN and ILSAC GF-5 as well as Dexos 1 approved.