Thinking since I have a stash of both Quaker State Green Bottle and Quaker State UD that I could make it last a little longer by adding half dino and half synthetic. They are both 5W-30. Would this be okay or am I asking for trouble?
Also, to make things cheaper, since I live in South Dakota with cold winters, I was thinking of running conventional in the summer and synthetic (for its flow properties) in the winter on both our vehicles.
Is this change from dino to synthetic every year bad? I would probably put dino in around april or may and change it to synthetic around october/november.
Just looking for some input. thanks!
Also, to make things cheaper, since I live in South Dakota with cold winters, I was thinking of running conventional in the summer and synthetic (for its flow properties) in the winter on both our vehicles.
Is this change from dino to synthetic every year bad? I would probably put dino in around april or may and change it to synthetic around october/november.
Just looking for some input. thanks!