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    Remember teasers?


    I was up above it, Now I'm down in it ~ Entropy - A Build thread.
    @Zakspeed_US

    #2
    That looks nice. Why the pistons copper?

    Comment


      #3
      Ohhhh that's nice!
      Euro Delivery Thread///E30 Project Klaus///COTM August 2021

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        #4
        Originally posted by efficient View Post
        That looks nice. Why the pistons copper?
        Must be ceramic coated.

        I like the white block. Should be nice to catch any leaks quickly
        Originally posted by priapism
        My girl don't know shit, but she bakes a mean cupcake.
        Originally posted by shameson
        Usually it's best not to know how much money you have into your e30

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          #5
          Originally posted by Northern View Post

          Must be ceramic coated.

          I like the white block. Should be nice to catch any leaks quickly
          Neat! Supposed to reduce the heat transfer to the piston crown?

          Comment


            #6
            Originally posted by Panici View Post

            Neat! Supposed to reduce the heat transfer to the piston crown?
            I think that's the idea.
            Makes me wonder how much more heat it would keep in the exhaust... for reasons.
            Originally posted by priapism
            My girl don't know shit, but she bakes a mean cupcake.
            Originally posted by shameson
            Usually it's best not to know how much money you have into your e30

            Comment


              #7
              Ceramic coated piston tops. That is the idea, it'll keep the piston cooler, Oil temps lower. Possible less detonation. (11.666:1) Calculated.

              If the piston is cooler, is the exhaust cooler?


              I was up above it, Now I'm down in it ~ Entropy - A Build thread.
              @Zakspeed_US

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                #8
                I would assume that if heat can't dissipate into the piston, it stays in the combustion charge and exits the engine.
                Then maybe that extra degree means the exhaust is ever so slightly more expanded by the time it reaches a whirly thing in the exhaust? haha
                Originally posted by priapism
                My girl don't know shit, but she bakes a mean cupcake.
                Originally posted by shameson
                Usually it's best not to know how much money you have into your e30

                Comment


                  #9
                  Look up thermal barrier coatings (TBC) and you can find some research.

                  magazine article if you prefer:
                  Piston crown coating is a surprisingly affordable way to increase engine efficiency, horsepower and durability. It’s often said the internal combustion engines, which hold a special love/hate place in our heart, are basically air pumps, and while that’s a useful mental model when considering many aspects of how they operate, it’s more accurate to say
                  -Nick

                  M42 on VEMS

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                    #10
                    Looks awesome . Loving the white block

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                      #11
                      cool dude
                      We're out there in here.

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