can't find my owner's manual....
#11
Registered User
Originally Posted by xviper,Apr 12 2006, 07:59 AM
No, it's not "bad". However, in the heat of the summer, your oil will be just a bit thinner than the 10W30. If you run the car in the winter and your winter gets cold, 5W30 is fine. If you track the car or drive it hard in the summer, you might be better off with the recommended 5W40 or 10W30.
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