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Thread: Coolant options

  1. #1
    Postie1686's Avatar
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    Coolant options

    Looking to flush the cooling system. I see peak Sierra listed as a option but I can not find any local! What are other options? Standard green for cars?

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    Click avatar for tech links/info K447's Avatar
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    Do not use classic ethylene glycol coolant in a watercraft. It is toxic to the marine environment.

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    Peak Sierra (green), Preston Low-Tox (green), Starbright Marine & RV Antifreeze (pink)

    Just looking for propylene glycol coolant. RV places have it... sell it for winterizing RV plumbing.

    Cheers!


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    So the standard pink Rv antifreeze from like Walmart should work then?

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    Moderator HiPeRcO's Avatar
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    DO NOT USE RV ANTIFREEZE, IT IS ALCOHOL BASED. USE PROPYLENE GLYCOL

    This is the OEM stuff. Comes concentrated, dilute about 50%

    Camco Ban Frost 2000 Marine - Engine Cooling Systems Only

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    Click avatar for tech links/info K447's Avatar
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    Quote Originally Posted by Postie1686 View Post
    ... pink ...
    Do not use the color to tell you anything.

    The actual chemical type matters, not the dye color the brand uses.

    Plumbing antifreeze product is not intended to be used in an engine.

    The coolant needs to be compatible with aluminum marine engine. And not freeze. And not be toxic

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    Postie1686's Avatar
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    Quote Originally Posted by K447 View Post
    Do not use the color to tell you anything.

    The actual chemical type matters, not the dye color the brand uses.

    Plumbing antifreeze product is not intended to be used in an engine.

    The coolant needs to be compatible with aluminum marine engine. And not freeze. And not be toxic
    but you have yet to give any information as to what I should have been looking for!

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    Postie1686's Avatar
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    Quote Originally Posted by ripcuda View Post
    Peak Sierra (green), Preston Low-Tox (green), Starbright Marine & RV Antifreeze (pink)

    Just looking for propylene glycol coolant. RV places have it... sell it for winterizing RV plumbing.

    Cheers!
    thank you for the helpful information!

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    Recommended Coolant for MPE-750 / 850
    The Factory coolant is Propylene Glycol (environment safe)... and is pink.


    EDITED BY MODERATOR: ALL THESE BELOW ARE BASED ON ETHYLENE GLYCOL, AND THEREFORE ARE TOXIC

    #1 Pink Valvoline Zerex G40 for VW, Mercedes-Benz, etc.
    Its recommended for Aluminum blocks, etc.
    Info; https://www.valvoline.com/our-produc...uty/zerex-g-40
    https://www.napaonline.com/en/p/ZRX861399

    https://www.oreillyauto.com/detail/b...405050/2496990


    #2 NAPA also stocks the “Prestone “generic” Anti-freeze that works with all types
    http://www.napaonline.com/Catalog/Ca...850_0260186085
    https://www.holtsauto.com/prestone/s...lant-coolants/


    #3 ACDelco Dex-Cool 10-101 for Aluminum Orange in color.
    Dex-Cool Antifreeze and Coolant GM # 12346290 provides superior high-temperature protection for aluminum components, brass, cast iron, steel, solder, and copper.https://www.jegs.com/i/ACDelco/065/10-101/10002/-1

    #4 Prestone DEX-COOL AF888 50/50 Prediluted Extended Life Antifreeze/Coolant meets the MPE-750/850 requirements and can be used in all vehicles with aluminum radiators.
    https://prestone.com/products?detail=AF888
    https://www.walmart.com/ip/Prestone-...allon/16889202
    Dexcool is orange. It cannot be mixed with any other coolant.
    Do not mix Dex-Cool with regular anti-freeze!

    Valvoline Zerex Antifreeze;
    G40 is Pink. Its recommended for Aluminum blocks, etc. European Formula
    Data Sheet; https://www.valvoline.com/our-produc...uty/zerex-g-40
    https://www.napaonline.com/en/p/ZRX861399
    Last edited by HiPeRcO; 08-09-2020 at 12:09 AM.

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  12. #10
    Moderator HiPeRcO's Avatar
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    Everything on that list is Ethylene Glycol based

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