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- Shippensburg, PA
Is there any problem with running Chevron Supreme 10W-30 in the summer, and Pennzoil 5W-30 in the winter? Is there any reason to pick one brand of oil and stick with it?
I like the Chevron for the price, but it is hard to find in 5W-30. Pennzoil is much more common. I am not sure I want to use a 10W-30 year round, as it can get cold in PA winters.
What do you guys think?