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This is a discussion on checking oil within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; half a quart over isn't going to hurt anything, our crank is higher up anyways....

  1. #16
    Registered User big_sur's Avatar
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    half a quart over isn't going to hurt anything, our crank is higher up anyways.

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  3. #17
    Registered User wrx wagone's Avatar
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    Quote Originally Posted by powder View Post
    FYI, oil expands when it heats up. If you fill it to 4.8 quarts cold, it will look like over 5.5 quarts warm. That's not good.
    No way.
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  4. #18
    Registered User powder's Avatar
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    Quote Originally Posted by big_sur View Post
    half a quart over isn't going to hurt anything, our crank is higher up anyways.
    You don't think Subaru gives a number of 4.8qts of oil just for sh!ts and giggles do you?
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  5. #19
    Registered User powder's Avatar
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    Quote Originally Posted by wrx wagone View Post
    No way.
    way.
    Blobeye Syndicate #2004
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    Wingless alas. Too bad it took a 50 ton truck to make it happen.

  6. #20
    Registered User big_sur's Avatar
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    no and that's all fine and dandy but the damage overfilling can cause is when the crank stirs up the oil and puts a bunch of air in it causing metal to metal contact in places where the air bubbles end up. our cranks are higher up than a V or I engine first of all and second it's a pretty common practice in the autox world to overfill to compensate for hard cornering and so you don't get a bunch of valve tick. maybe not half a quart(in a 2.0l engine) and to be on the safe side i might take some out but the overwhelming probability is that it hurts nothing.

  7. #21
    Registered User powder's Avatar
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    Quote Originally Posted by big_sur View Post
    no and that's all fine and dandy but the damage overfilling can cause is when the crank stirs up the oil and puts a bunch of air in it causing metal to metal contact in places where the air bubbles end up. our cranks are higher up than a V or I engine first of all and second it's a pretty common practice in the autox world to overfill to compensate for hard cornering and so you don't get a bunch of valve tick. maybe not half a quart(in a 2.0l engine) and to be on the safe side i might take some out but the overwhelming probability is that it hurts nothing.
    Ok, just makin sure. All i'm sayin is that why wouldn't you check it at as close to normal operating temps as possible. That's it.
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  8. #22
    Registered User wrx wagone's Avatar
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    Quote Originally Posted by powder View Post
    way.
    Proof.
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  9. #23
    Registered User powder's Avatar
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    Quote Originally Posted by wrx wagone View Post
    Proof.
    It's in the pudding.
    Blobeye Syndicate #2004
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    2004 WRX - JBP:Stage 2:13.93 @ 96

    Wingless alas. Too bad it took a 50 ton truck to make it happen.

  10. #24
    Registered User big_sur's Avatar
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    oh and oil definitely doesn't expand like that

  11. #25
    Moderator YBNormal07's Avatar
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    Temp doesn't matter. As long as all "pockets" that can retain oil have been filled, and time has been allowed for the remainder to drain back to the sump after turning the car off, oil can be checked anytime.

    Overfilling a 2.0 or 2.5 block by a half quart or so doesn't hurt it one bit. A whole quart would be pushing it though. Windage is not your friend.

    Ps...to the OP:

    Yours probably takes 10W 30. Depending on the miles, you can use regular dyno oil or synthetic.
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  12. #26
    Registered User powder's Avatar
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    I overexagerated a bit probably because i've never had a solid number to go by, but you can see it on a dipstick.
    Blobeye Syndicate #2004
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    2004 WRX - JBP:Stage 2:13.93 @ 96

    Wingless alas. Too bad it took a 50 ton truck to make it happen.

  13. #27
    Registered User wrx wagone's Avatar
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    Quote Originally Posted by powder View Post
    It's in the pudding.
    Ah yes, the old mechanics tale. Us engineers know of them well.
    This message printed on 100% recycled electrons.

  14. #28
    Registered User powder's Avatar
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    Quote Originally Posted by wrx wagone View Post
    Ah yes, the old mechanics tale. Us engineers know of them well.
    Us machinists know you engineers well also.
    Blobeye Syndicate #2004
    Military Militia #30-06

    2004 WRX - JBP:Stage 2:13.93 @ 96

    Wingless alas. Too bad it took a 50 ton truck to make it happen.

  15. #29
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    cheers

    i have decided to use carlube triple r synthetic 5w40 motor oil as advised by a subaru owner

  16. #30
    Registered User STIchotik's Avatar
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    all the dude wanted to know was what type of oil to put in haha..

    I must agree that oil will NOT expand THAT much when operating at full temperature.

    As far as overfilling goes; pretty good site, has some good info:

    -all quotes credited to site-

    http://www.performanceoiltechnology....onsumption.htm


    "Too Much Oil in Crankcase:

    Due to an error in inserting the oil dip stick so that it does not come to a seat on its shoulders, a low reading may be obtained. Additional may be added to make the reading appear normal with the stick in this incorrect position which will actually make the oil level too high. If it gets so high that the lower ends of the connecting rods touch the oil in a pressure lubricated engine or the dippers go too deep into the oil in a splash lubricated engine, excessive quantities of oil will be thrown on the cylinder walls and some of it will work its way up into the combustion chamber."

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