What oil for my 09 Subi?
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This is a discussion on What oil for my 09 Subi? within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; Well I was told by my sales guy who sold me my 09 WRX, that after 1k miles I should ...

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    Registered User 09/Impreza/WRX's Avatar
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    What oil for my 09 Subi?

    Well I was told by my sales guy who sold me my 09 WRX, that after 1k miles I should change the oil, so I asked him what kind of oil should I put and he said 10w30 non synthetic, he recommended Valvoline. What do you guys think? Is this right? Non Synthetic for my Subi?

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    Quote Originally Posted by 09/Impreza/WRX View Post
    Well I was told by my sales guy who sold me my 09 WRX, that after 1k miles I should change the oil,
    It makes no difference what he said.

    so I asked him what kind of oil should I put and he said 10w30 non synthetic, he recommended Valvoline.
    See above.

    What do you guys think?
    That makes no difference either.

    All that matters, the only thing that matters, is the service schedule and oil specifications provided in the owner's manual. Follow that to the letter. Your manual will specify an oil by API grade and viscosity, and will also specify a service interval. Follow it precisely, keep all receipts, and note the dates and mileages at which you perform the required service. Also, check the oil weekly, on level ground, and at roughly the same "time" or "state." In other words, pick "always cold motor in the morning first thing" or "10 minutes after I park in the evening last" etc. and be consistent. A motor's consumption will vary as it breaks in.
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    DISCLAIMER: Opinions expressed are the author's alone and are inherently worthless.

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    Synthetic is overrated. I use conventional oil.

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    Registered User teflon_jones's Avatar
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    Use synthetic oil and a quality filter. A Mobil 1 filter is more than 99% efficient while a stock Subaru filter is closer to 95-97% effective at filtering out contaminants. I've used Mobil 1 oil and filters in my cars for years and drive them hard and they all run perfectly. <knock on wood> Any quality synthetic is really just fine to use. Some people go to Royal Purple or other high end oils, which are definitely top quality products. I watched a show where they replaced all the stock fluids in a Camaro with products from Royal Purple in everything from the engine to tranny to diff. They got 7 more HP from the car, which I can believe. The less friction loss you have, the more HP you get to the ground.

    Quote Originally Posted by brfatal View Post
    Synthetic is overrated. I use conventional oil.
    You are joking, right? Maybe my sarcasm meter is broken?
    Last edited by teflon_jones; 02-21-2009 at 02:47 AM.
    Scott
    Past Subies - '11 STI Limited stage 1+ and '04 STi stage 2+
    '13 Wrangler Rubicon - custom front bumper w/12k lb winch & off-road lights, skid plates, diff guards, etc.
    '04 Porsche 911 Turbo GT2 clone 600 HP/TQ
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    Registered User 09/Impreza/WRX's Avatar
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    Quote Originally Posted by teflon_jones View Post
    Use synthetic oil and a quality filter. A Mobil 1 filter is more than 99% efficient while a stock Subaru filter is closer to 95-97% effective at filtering out contaminants. I've used Mobil 1 oil and filters in my cars for years and drive them hard and they all run perfectly. <knock on wood> Any quality synthetic is really just fine to use. Some people go to Royal Purple or other high end oils, which are definitely top quality products. I watched a show where they replaced all the stock fluids in a Camaro with products from Royal Purple in everything from the engine to tranny to diff. They got 7 more HP from the car, which I can believe. The less friction loss you have, the more HP you get to the ground.

    You are joking, right? Maybe my sarcasm meter is broken?

    Sounds good thanks, I would really like to use Royal Purple oil, but I got to use SPT filter's because if I don't the warranty will be voided supposedly.

    When that guy told me non synthetic, I was like are u serious??? On a turbo motor??? And he still said yea. I could believe such thing.

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    Quote Originally Posted by 09/Impreza/WRX View Post
    Sounds good thanks, I would really like to use Royal Purple oil, but I got to use SPT filter's because if I don't the warranty will be voided supposedly.
    To maintain the warranty, make sure the oil you use meets the specifications listed in your manual by the vehicle manufacturer and keep all receipts. I don't know if RP meets the specs or not -- be sure.
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    Quote Originally Posted by teflon_jones View Post
    Use synthetic oil and a quality filter. A Mobil 1 filter is more than 99% efficient while a stock Subaru filter is closer to 95-97% effective at filtering out contaminants. I've used Mobil 1 oil and filters in my cars for years and drive them hard and they all run perfectly. <knock on wood> Any quality synthetic is really just fine to use. Some people go to Royal Purple or other high end oils, which are definitely top quality products. I watched a show where they replaced all the stock fluids in a Camaro with products from Royal Purple in everything from the engine to tranny to diff. They got 7 more HP from the car, which I can believe. The less friction loss you have, the more HP you get to the ground.

    You are joking, right? Maybe my sarcasm meter is broken?
    That's funny, I get criticized right while you use M1 and recommended RP.....

    On NASIOC, a dealership vendor said that 7 in 10 cars coming in with spun bearings had Royal Purple in the oil pan. The rest were using Mobile 1. Your Mobil 1 is notorious for burning up fast in our motors.

    As for you sarcasm meter...

    Blackstone Laboratories - FAQ Gas

    What’s the best oil to use?

    Ah, the million dollar question. We are an independent lab, so we don’t make recommendations. It has been our experience that oil is oil, and either petroleum or synthetic-based oil will work well for just about any engine.

    Come on, you’re holding out on me. I should use synthetic, right?

    Buddy, you should use whatever you want. Synthetic oil won’t guarantee a longer engine life any more than my eating organic food will guarantee I’ll live until I’m 90. We here at Blackstone generally use regular petroleum-based oil because honestly, it works just as well for us.
    Last edited by brfatal; 02-21-2009 at 01:11 PM. Reason: Apparently I can't spell at the moment.

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