Cometic HG Increase C/R

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  • darvo
    E30 Addict
    • Dec 2010
    • 407

    #1

    Cometic HG Increase C/R

    Shipped anywhere in the US. Brand New. OBO $200 Shipped Marked Down

    And you dont have to wait 3 weeks like I did until it was made. Shipped within the next 2 days after payment is made.

    This is a .040" hg, this one increases compression ratio.

    Stock ones are .070" and .080".

    According to an M20 compression calculator, the 2.7i eta conversion increases with this headgasket from 8.35:1 to 8.85:1, the m20b25 Is engine increases from 8.8:1 to 9.42:1, the Super Eta engine increases from 8.5:1 to 9.03:1, a standart Eta M20b27 from 9.0:1 to 9.6:1

    I was going to use it on my 2.7i with eta pistons conversion to increase compression, but I went a different route now.

    Also willing to trade for a tial or synapse bov, 62lbs injectors, ARP M20 studs, AEM wideband, AEM boost gauge,AEM oil temp or AEM oil pressure gauge, Ishijara Johnson Teflon Crank Scraper.



    Paypal only!
    Last edited by darvo; 07-14-2013, 08:49 PM. Reason: Mark Down
  • darvo
    E30 Addict
    • Dec 2010
    • 407

    #2
    Bump!

    Comment

    • darvo
      E30 Addict
      • Dec 2010
      • 407

      #3
      Bump!

      Comment

      • darvo
        E30 Addict
        • Dec 2010
        • 407

        #4
        Up

        Comment

        • darvo
          E30 Addict
          • Dec 2010
          • 407

          #5
          Up up

          Comment

          • darvo
            E30 Addict
            • Dec 2010
            • 407

            #6
            Bump! This works for N/A engine with stock pistons, as well as 2.7i conversion with Eta pistons for turbo....

            Comment

            • darvo
              E30 Addict
              • Dec 2010
              • 407

              #7
              Bump@

              Comment

              • darvo
                E30 Addict
                • Dec 2010
                • 407

                #8
                bump

                Comment

                • darvo
                  E30 Addict
                  • Dec 2010
                  • 407

                  #9
                  Bump

                  Comment

                  • darvo
                    E30 Addict
                    • Dec 2010
                    • 407

                    #10
                    Bump

                    Comment

                    • darvo
                      E30 Addict
                      • Dec 2010
                      • 407

                      #11
                      Bump, this is obo...

                      Also willing to trade for a tial or synapse bov, 62lbs injectors, ARP M20 studs, AEM wideband, AEM boost gauge,AEM oil temp or AEM oil pressure gauge, Ishijara Johnson Teflon Crank Scraper.
                      Last edited by darvo; 06-25-2013, 02:43 PM.

                      Comment

                      • shadowracer
                        Wrencher
                        • Oct 2003
                        • 253

                        #12
                        just wondering what bore this gasket is....85mm?

                        Comment

                        • darvo
                          E30 Addict
                          • Dec 2010
                          • 407

                          #13
                          Originally posted by shadowracer
                          just wondering what bore this gasket is....85mm?
                          Yes, 85mm

                          Comment

                          • darvo
                            E30 Addict
                            • Dec 2010
                            • 407

                            #14
                            Bump.. No one interested in increasing compression

                            Comment

                            • shadowracer
                              Wrencher
                              • Oct 2003
                              • 253

                              #15
                              Had this been an 86mm bore I would've really been interested....GLWS.

                              Comment

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