Oil: Regular vs Synthetic at High Altitude
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This is a discussion on Oil: Regular vs Synthetic at High Altitude within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Hey Guys, I own a 2006 WRX in Colorado and have hear conflicting things about the kind of oil to ...

  1. #1
    Registered User encharion's Avatar
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    Oil: Regular vs Synthetic at High Altitude

    Hey Guys,

    I own a 2006 WRX in Colorado and have hear conflicting things about the kind of oil to use.

    Some owners have told me never to use synthetic oil at high altitude because it will leak through seals and that normal oil is fine, and some owners go synthetic all the way altitude be damned.

    I was just wondering what you guys think about this and what you'd recommend.

    Thanks

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    Registered User Ingo's Avatar
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    Synth, nothing else come close. Or way more frequent changes. Altitude has nothing to do with it.
    You can't have everything - where would you put it?

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    He simply abides. SD_GR's Avatar
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    Registered User MercRising's Avatar
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    I'm in Denver and have been at stg2 for almost 30k miles on a 2010 WRX. My year is before Subaru started spec'ing synthetic so I just run Suby OE oil from the dealership. The change costs me $20.

    I also just did an oil analysis through Blackstone Labs and they told me to take my dyno oil up to 6k miles next time because it held up so well and had no signs of unusual engine wear.

    Just one guy though, do your reading and make the decision that makes you feel the most confident about your engine's longevity

  6. #5
    Registered User Stawgn10's Avatar
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    Quote Originally Posted by MercRising View Post
    do your reading and make the decision that makes you feel the most confident about your engine's longevity
    What he said.

    I have run Rotella T6 for the last year or so and haven't had any problems with oil leaking from any seals. I ran dino oil before the T6 and had no problems with it either.
    2010 WRB WRX wagon

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