Recent content by TacoToy

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    New Car - First Oil Change - Audi 2.0T

    I own a 2012 Q5 with the same motor. Here in the U.S., Audi recommends that the initial oil and filter change be done at 5000 miles, and is provided by an Audi dealer at no charge. I did adhere to the recommendation. Since then I have been changing the oil and filter every 5000-5500 miles using...
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    Developing Oil Life Calculator, see inside.

    When you get the opportunity I would like estimates on the following vehicles: 1. 2010 Chevrolet Equinox - 2.4 L DI - Valvoline NextGen 5W-30 SN 2. 2012 Audi Q5 - 2.0 L Turbo TSFI - Castrol Syntec 5W-40 SM Thanks!
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    48÷2(9+3) = ?

    PEMDAS is a mnemonic device that is misleading to some individuals as they are falsely led to believe that multiplication is always performed before division, and addition is always performed before subtraction. In the problem 48 - 2 + 3, the subtraction is done first, and then the addition is...
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    AC Delco dexos oil specs

    There is in fact an AC Delco 5W-30 synthetic blend that is dexos approved. I'm currently on the third fill in my wife's 2010 Equinox. Out of the oils run so far in the vehicle, it's the only one where there wasn't noticeable consumption over a 5000+ mile OCI. There's really no information about...
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    Running Castrol GTX (Trishield)

    Yup, $18.50 for the 5 qt. jug at the Walmart in Norwich, NY
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    Nissan recommends 3750 miles for my car...

    Perhaps 1/2 of 7500 (3750) seems less arbitrary to the folks at Nissan than 7/15 of 7500 (3500), or 8/15 of 7500 (4000)??
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    Anybody good at math?

    Assuming that the OLM continues to decrease at the same rate, then there would be a bit over 10200 miles on the vehicle as was previously indicated.
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