Full Synthetic Straight From The Dealership
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Thread: Full Synthetic Straight From The Dealership

  1. #1
    Learning about my Cruze 2019CruzeRSAEM's Avatar
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    Lightbulb Full Synthetic Straight From The Dealership

    So I'm about to pull off the dealer lot next week with my brand new 2019 Cruze RS and I want to go directly to Valvoline and get Full Synthetic put in.

    Anybody have any reasons why this is NOT the best idea?

    I feel like it's a good plan.

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  3. #2
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    do it, nothing wrong other than wasting money....break it in first and dump that oil after a few thousand miles then switch to whatever oil you want.

  4. #3
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    I go 500 miles before changing. No need to do it immediately.

    Let the motor get rinsed of the dirt and dust and metal debris first. From the manufacturing process.

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  6. #4
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    Engine "break-in" is already done somewhat when the engines are assembled. The manual tells you to run it easy for the first 500 miles or so - vary engine speeds, avoid full throttle launches, and avoid redline.

    You may choose to dump the factory fill anywhere from 500-3000 miles (I went for 3k on mine; others did differently), but I can't think of a reason to do it immediately. It's already full synthetic 0W-20.
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    Quote Originally Posted by jblackburn View Post
    It's already full synthetic 0W-20.
    This - the factory oil is already synthetic, as is the oil that GM would put back in for you.
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  8. #6
    World Rally Champion Eddy Cruze's Avatar
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    What is your take on the factory Full Synthetic that comes with the Car? Is it really bad, I only ask because that is all I've ever used?

  9. #7
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    Quote Originally Posted by snowwy66 View Post
    I go 500 miles before changing. No need to do it immediately.

    Let the motor get rinsed of the dirt and dust and metal debris first. From the manufacturing process.
    Very good point.

    Your response made me glad I posted this question.

  10. #8
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    Quote Originally Posted by jblackburn View Post
    Engine "break-in" is already done somewhat when the engines are assembled. The manual tells you to run it easy for the first 500 miles or so - vary engine speeds, avoid full throttle launches, and avoid redline.

    You may choose to dump the factory fill anywhere from 500-3000 miles (I went for 3k on mine; others did differently), but I can't think of a reason to do it immediately. It's already full synthetic 0W-20.
    Not that I don't believe you but can you provide proof they put full synthetic in upon assembly completion?

    I scoured the interwebs for a bit and couldn't find proof.

  11. #9
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    Quote Originally Posted by Eddy Cruze View Post
    What is your take on the factory Full Synthetic that comes with the Car? Is it really bad, I only ask because that is all I've ever used?
    In my mind I imagine the factory using lower quality synthetic oil...

    Not all Full synthetic's are made equal

  12. #10
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    Oil's aren't created equal in general.

    I don't know what the dealers use. But when I did my first free change. My mileage dropped from 34 on original oil to 28 with dealer oil.

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