90K miles Burning OIL? - Page 2
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This is a discussion on 90K miles Burning OIL? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; My 5w30 synthetic Mobil 1 motor oil becomes 5w10 after 1000 miles? Really? Sent from my HTC-X710a using Tapatalk 2...

  1. #16
    Registered User wrx frog's Avatar
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    My 5w30 synthetic Mobil 1 motor oil becomes 5w10 after 1000 miles? Really?

    Sent from my HTC-X710a using Tapatalk 2

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  3. #17
    Subaru Newb MainFrame's Avatar
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    Quote Originally Posted by wrx frog View Post
    My 5w30 synthetic Mobil 1 motor oil becomes 5w10 after 1000 miles? Really?


    In a turbocharged Subaru motor, those are the UOA results I have seen. Explains why it would look like coffee pouring out of my engine after 3k.

  4. #18
    Registered User MrSubielove's Avatar
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    It was at the full, then 800 plus miles later its on low.

  5. #19
    Registered User MrSubielove's Avatar
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    Isn't this normal on all oil?

  6. #20
    Subaru Newb MainFrame's Avatar
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    Quote Originally Posted by MrSubielove View Post
    Isn't this normal on all oil?

    no

  7. #21
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    Quote Originally Posted by MrSubielove View Post
    Isn't this normal on all oil?

    Let makes this a simple/cheap diagnostic solution... dump your oil and fill it with Shell Rotella T6 (nice and cheap at walmart or Advance Auto) which is 5w40. I use it in my 2011 and it has not blown up. I used to see some light smoking from the car when I bought it (acura dealer prob used wrong motor oil). Now I am golden.

  8. #22
    Registered User MrSubielove's Avatar
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    This is actually the first time I've heard about this oil, though its old (Did a research after this post)

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