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Plugs - do I need lube?

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    Plugs - do I need lube?

    Fast approaching the time to put new spark plugs in my Lexus V6. What is the latest thinking regarding anti sieze on the threads?

    Loads of youtube experts seem to use it, loads of spark plug manufactures warn against it. I feel like it's an anti vaxx debate.
    .

    #2
    Originally posted by Spammy View Post
    Fast approaching the time to put new spark plugs in my Lexus V6. What is the latest thinking regarding anti sieze on the threads?

    Loads of youtube experts seem to use it, loads of spark plug manufactures warn against it. I feel like it's an anti vaxx debate.
    I put fresh oil. never had a problem.

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      #3
      NGK plugs have a plating that prevents corrosion and claims to assist in removal and they recommend plugs be installed dry.

      I've never used anything on spark plugs, and have never stripped one at installation nor removal.

      Just don't go nuts tightening them.
      Last edited by andy_wk; 01-10-21, 11:02 AM.

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        #4
        do them up with a torque wrench. they need less torque than you think.

        also, despite the claims that dry is fine, 150,000km old iridiums can still be a royal cunt to get out.
        Last edited by burn is weird; 01-10-21, 11:21 AM.

        Oo___oO

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          #5
          im no pro mechanic but i figure if theyre going to be there for 4 years theyll need something on them. anti seize and another 1/8 or a turn maybe less once all the way down

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            #6
            yep. anti seize or just a drop of oil. nip them up like you would a 6mm bolt. don't wail on them like they are a 14mm bolt.
            Turns out, far too much has been written about great men and not nearly enough about morons


            Originally posted by seedyrom
            my neighbours called the cops...... not because of the sound of me working in the garage was too loud, but because i taped a cardboard box to my back, covered my self in vaseline and pretended i was a snail on their lawn

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              #7
              Doesn’t hurt to use anti seize. If washer seat, tighten until you feel the washer crush, if taper seat just nip up

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                #8
                +1 for a little lube. And not too tight. Lubricating threads is always a good thing.

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                  #9
                  Originally posted by Jim View Post
                  yep. anti seize or just a drop of oil. nip them up like you would a 6mm bolt. don't wail on them like they are a 14mm bolt.
                  So put the rattle gun on the 2nd lowest setting.
                  .

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                    #10
                    Smear of moly grease on the threads, and tight enough to crush the washer.

                    Although, I don't lose sleep if I don't put grease on.
                    Originally posted by brewdles
                    In short, some cunt at test and tune had a 250cc honda turning to 11ty and it sounded porn. Do that.

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                      #11
                      Originally posted by bpm View Post
                      Doesn’t hurt to use anti seize. If washer seat, tighten until you feel the washer crush, if taper seat just nip up
                      This is what I do, it's not the nicest feeling when it's getting tighter then you feel the washer crush... But it's seated properly then.
                      Originally posted by piss98
                      fuck I'd be happy to suck Bill Gates off

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                        #12
                        Originally posted by Spammy View Post

                        So put the rattle gun on the 2nd lowest setting.
                        Dirty Subaru owner

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                          #13
                          Originally posted by burn is weird View Post
                          150,000km old iridiums can still be a royal cunt to get out.
                          Did the plugs on noics Civic (around 150k) last weekend. The first one was easy, then they got progressively harder along the motor. I wound up using a breaker bar on #4 - It was not an experience I want to repeat.

                          Didn't bother with lubricating them, the odds of it reaching another 100,000kms are fairly remote.
                          Imagination is more important than knowledge.

                          Comment


                            #14
                            As a young un, I used to use copper grease as an old chap told me he put it on all threads that might be difficut to remove years down the track, but over time I stopped using it, and now I always just use a drop or two of oil.

                            No ugga duggas though!!!

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                              #15
                              I always use a light smear of moly grease and crank the engine over to blow any crap out the threads.
                              2017 Ford Ranger XLT (Jeep Wrangler recovery vehicle)
                              2007 KTM 250 SX

                              Originally posted by Monza
                              I've never considered myself the type of guy to eat arse but I am currently reviewing that policy

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