Thread: DEX III or DEX VI?

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  1. #1 DEX III or DEX VI? 
    GTX Level Member TEK310's Avatar
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    my trans has 199k on it, will the synthetic VI mess it up by cleaning it out or should i go with DEXIII for cheaper fluid. i can get DEX III for 19.99 a gallon
    2012 Competition Orange Boss 302 #1769 438rwhp 391rwtq
    intake - off road h pipe - e85 - tune
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  2. #2 Re: DEX III or DEX VI? 
    Donating Users gtpsleeper's Avatar
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    2 questions...

    1. whats in it now?

    2. are youflushing or just changing?
    "My car is a racecar like Planet Fitness is a gym...."

    proud mark VIII victim!!! suck it...
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  3. #3 Re: DEX III or DEX VI? 
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    The Dexron VI is backwards compatible.

    Go to Walmart and see what the price of their Super Tech Dexron VI fluid is. I will bet its cheap.

    Walmart.com: Super Tech DEXRON VI Automatic Transmission Fluid, 1 qt: Automotive
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  4. #4 Re: DEX III or DEX VI? 
    GTX Level Member TEK310's Avatar
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    have no idea, i bought this car a couple months ago, just now getting around to doing a pan drop with new gasket and filter.

    i will not be flushing it.
    2012 Competition Orange Boss 302 #1769 438rwhp 391rwtq
    intake - off road h pipe - e85 - tune
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  5. #5 Re: DEX III or DEX VI? 
    Donating Users gtpsleeper's Avatar
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    DEXIII then...

    should be just fine
    "My car is a racecar like Planet Fitness is a gym...."

    proud mark VIII victim!!! suck it...
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  6. #6 Re: DEX III or DEX VI? 
    I live here. SlowNA06's Avatar
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    Had DexIII turn into Dr. Pepper in 30,000 miles. I picked DexVI this time.
    Irridium spark plugs last 100k mi and work just as well as copper. Copper is a waste on N/A and only lasts 15k mi. Don't use Platinum.
    Use 195* tstat unless you can thoroughly explain why not; 99.9% don't need a lower temp.
    Almost any oil filter, ever, is of higher quality than ACDelco. Spend $6+.
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