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Engine Bay Detailing Question - Silicone Spray

Discussion in '360/430' started by HNL29, May 29, 2020.

  1. HNL29

    HNL29 Rookie

    Jun 16, 2013
    32
    Pittsburgh PA
    Doing some research on detailing my 360 engine bay, it seems a lot of people suggest WD-40 Silicone spray. Looking at the side of the can it cautions that it's very flammable. Is this safe for the engine bay - obviously a high temperature environment? I don't want to end up another flaming Ferrari Instagram story.
     
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  3. kes7u

    kes7u Formula Junior

    Oct 18, 2017
    633
    Shorewood, MN
    Full Name:
    Kevin
  4. flash32

    flash32 Formula 3

    Aug 22, 2008
    2,153
    Central NJ
    Full Name:
    Dominick
    I use 303 protectant or 3m silicone spray the one that is rubber safe

    Sent from my moto g(7) using Tapatalk
     
  5. ItalGerBrit

    ItalGerBrit Formula Junior

    Mar 15, 2016
    382
    Swamp
    The propellant may be the flammable part of the spray. Once applied, probably not?
     
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  6. whatheheck

    whatheheck F1 Rookie
    Owner

    Mar 27, 2006
    3,905
    Seattle, Wa
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    Dan L.
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  8. Ianjoub

    Ianjoub Formula Junior

    Dec 22, 2019
    681
    Homosassa, FL USA
    Full Name:
    Ian Joubert
    I have used WD-40 on engines for years and years, both car and motorcycle. No problems yet. As an added bonus to the clean shine look, it makes things much easier to clean next time too!
     
  9. f355spider

    f355spider F1 World Champ
    Rossa Subscribed Owner

    May 29, 2001
    17,174
    USA
    Full Name:
    Hugh G. Rection
    Sounds like this discussion is confusing two different products:
    WD40 Silicone Spray https://www.wd40.com/products/silicone-lubricant/?specialist=GoogleBrand&gclid=EAIaIQobChMI77fn1Z_a6QIV7x-tBh36NAIjEAAYASAAEgLsjPD_BwE
    (this appears to be a general silicone spray, just labeled under the WD40 brand)

    And "traditional" WD40 lubricant spray https://www.wd40.com/products/smart-straw-12-oz/

    A quick google search shows that silicone spray is commonly used for detailing engine bays after cleaning.
    Personally I don't use anything, as I find most detail sprays attract more dirt, making engine cleaning more frequent.
    If I use nothing after cleaning, future cleanings generally require nothing more than compressed or, or a simple wipe down with a damp rag after car washing.
     
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