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Thread: WD-40 & Pwc's

  1. #1

    WD-40 & Pwc's

    just how good is wd40 for our engines/mechanical parts?

    i mostly see this topic in regards to firearms. if you search for it, WD and firearms is a big no no as wd becomes hygroscopic. meaning it actually attracts water.

    yes, i know the wd in WD40 is water displacement, but it seems since wd is petroleum based, when everything else in it evaporates the left over gunk actually attracts water. in the firearm world, everyone says it causes more rust than it prevents since its supposedly hygroscopic.

    is there any truth to this in regards to pwc's? i personally dont use it, im more curious than anything


  2. #2
    rangermtb5's Avatar
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    I don't use it. I also read that it can attract water and it's not good for hoses.


    I exclusively use Fluid Film on my skis. I coat the entire engine compartment and pump area with it after riding, especially after riding in salt water. http://www.fluid-film.com/

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    Moderator OsideBill's Avatar
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    I prefer silicon spray, but wd-40 works in a pinch rather have some protection than none. There are lots of sprays out there for external corrosion protection, made specifically for the marine industry. for long term protection I would look into these.

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    wotxxxsd's Avatar
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    Silicon spray +1

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    Almost's Avatar
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    CRC-656 is good also and does not attract water.

  6. #6
    skipSC's Avatar
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    Quote Originally Posted by Almost View Post
    CRC-656 is good also and does not attract water.
    +1

  7. #7
    MSRXP's Avatar
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    +1 on the Fluid Film. Great stuff and it lasts for awhile.....

  8. #8
    Lightning Struck's Avatar
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    Quote Originally Posted by MSRXP View Post
    +1 on the Fluid Film. Great stuff and it lasts for awhile.....
    And its easy to find! Stop in to your local John Deere dealer!

  9. #9
    mjh3ides's Avatar
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    I love Fluid Film, but only use it for coating my motor, steering assembly & pump. For fogging my hull, the best product I've found is Dupont Teflon Silicone. It's really lightweight & will stay suspended as a fine mist for a good amount of time. After spraying it, I just put my seat on to let it works it's way into all the nooks & crannies. I ran out of it for awhile & was using Fluid Film on everything...before long my entire hull became a greasy mess. The Dupont stuff is also great for fogging your supercharger/throttle body/valve train because it doesn't leave a heavy film in the intercooler & affect cooling performance.

  10. #10

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    +1 CRC 6-56

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