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Posted: 06/05/06 06:43 AM
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I always bought oil in the 5 qt. containers. My car takes 4 quarts for a change. I have 2 qts. of Castrol high mileage 5/30. 1 qt. of Castrol high mileage 10/30 and 1 qt. of Castrol GTX 10/30. My question is this: Can I safely change my oil with 4 quarts of this mixture or should I try to save some money another way?
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Posted: 06/05/06 10:45 AM
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hmmm. as long as none of them or all of them are synthetic. (its not good to mix regular and synthetic oil) and I see they all have the same "hot" temp vescosity. I think you should be fine
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