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Engine oil

 
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Davesportscars Davesportscars
New User | Posts: 35 | Joined: 05/06
Posted: 06/05/06
06:43 AM

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?  

 
automotivejtm automotivejtm
Guru | Posts: 1019 | Joined: 03/06
Posted: 06/05/06
10:45 AM

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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