M20b27 with hartge h27 head???

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  • E30nub1
    E30 Addict
    • Mar 2010
    • 402

    #16
    HAHAHAHA i can see you reasoning..lol i was thinking about doing a b25 swap anywho and modding up to a stroker..but i digress..
    sigpic"God made cars to be RWD and standard"

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    • M-technik-3
      I waste 90% of my day here and all I got was this stupid title
      • Oct 2003
      • 18946

      #17
      Do you know how to identify if it is a Hartge head?
      https://www.facebook.com/BentOverRacing

      Comment

      • Lunner
        Wrencher
        • Feb 2010
        • 222

        #18
        BTW, this head went to eBay.

        87 325iC 90 325iC 88 325iC 87 325i 87 325iS 87 325eS

        Comment

        • M-technik-3
          I waste 90% of my day here and all I got was this stupid title
          • Oct 2003
          • 18946

          #19
          That's odd it say's H23 right on it and H27's were not available till later after the H26.

          I would assume Ryan will chime in on this.
          https://www.facebook.com/BentOverRacing

          Comment

          • Scott72
            Noobie
            • Jan 2007
            • 23

            #20
            That head is off a 83/84 H23. My head is stamped the same way (I own Ryans old car). In 84 they only made the H23 or H26 based on the 731 head.

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            • M-technik-3
              I waste 90% of my day here and all I got was this stupid title
              • Oct 2003
              • 18946

              #21
              Why didn't your car come with the head?
              https://www.facebook.com/BentOverRacing

              Comment

              • stumble_t
                Mod Crazy
                • Aug 2009
                • 759

                #22
                So, I guess the next question is will an H23 head be a "bolt on" to a m20b25 block.
                [IMG]http://www.r3vlimited.com/board/

                Comment

                • M-technik-3
                  I waste 90% of my day here and all I got was this stupid title
                  • Oct 2003
                  • 18946

                  #23
                  No, it's more for an eta designed piston. 731 designed head is the 323i head which many plunk onto eta's when found.
                  https://www.facebook.com/BentOverRacing

                  Comment

                  • Lunner
                    Wrencher
                    • Feb 2010
                    • 222

                    #24
                    Originally posted by stumble_t
                    So, I guess the next question is will an H23 head be a "bolt on" to a m20b25 block.
                    Yeah, I asked, not worth it, or not possible .

                    Near as I can tell, this is basically just a head built especially for, or ideal for anyway, the normal eta block. Something equivocal to slaipping on an 885 head, but you maintain good compression. With a decent cam it'd be pretty sweet. Hell even without it I'd be willing to believe it'd get 190 hp/tq at the crank.
                    87 325iC 90 325iC 88 325iC 87 325i 87 325iS 87 325eS

                    Comment

                    • Scott72
                      Noobie
                      • Jan 2007
                      • 23

                      #25
                      Hartge used that head either in the H23, which was a Euro 323I bottom end with special forged piston to raise the compression to 10:1. They got 170 Bhp out of it. They also used that head in the H26 in 84 which was a 325E block and the 323I crank and rods plus custom pistons to make 190 Bhp out of around 2.5 liters. A nice lively engine. In 85 the H26 went to a straight 325I motor with the 885 head. My car still has the original 83 casting 731 head stamped by Hartge.

                      Comment

                      • M3 Ryan
                        Site Sponsor
                        • Oct 2003
                        • 2298

                        #26
                        Originally posted by M-technik-3
                        That's odd it say's H23 right on it and H27's were not available till later after the H26.

                        I would assume Ryan will chime in on this.
                        I was told it was an H27 head by my boss who i got it from... hopefully the bidder knows what he is getting because I am uninformed about this head....
                        '88 M3.2 S54 Lachssilber/Black
                        '07 335i Alpine/Black Sedan
                        '12 X5 3.5i Alpine/Black
                        iS Splitters For Sale, PM ME!
                        sigpic

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                        • e30trooper
                          R3V OG
                          • Mar 2009
                          • 11576

                          #27
                          Originally posted by Lunner
                          wow i saw afew hours ago it was around 250 and only 5 bids, now 700! and 17 bids!

                          Comment

                          • M-technik-3
                            I waste 90% of my day here and all I got was this stupid title
                            • Oct 2003
                            • 18946

                            #28
                            Originally posted by M3 Ryan
                            I was told it was an H27 head by my boss who i got it from... hopefully the bidder knows what he is getting because I am uninformed about this head....
                            No biggie Ryan. Figured you would chime in at some point.
                            https://www.facebook.com/BentOverRacing

                            Comment

                            • digger
                              R3V Elite
                              • Nov 2005
                              • 5912

                              #29
                              seller won out big time
                              89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...

                              new build thread http://www.r3vlimited.com/board/showthread.php?t=317505

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