M44/42 build

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  • benz-tech
    Grease Monkey
    • Jan 2011
    • 337
    #1

    M44/42 build

    I know the lowly 4 banger isn't too well received here but I will share anyhow. The build is as follows:
    M44 block, crank, rods, lower timing cover.
    Late M42 6mm head mildly ported and 4 angle valve job. (Could not get a 15deg to fit)
    Early cams, intake cam ground to 212deg at .050" and total lift at .390"
    US s50 pistons milled to 11.5:1 with total seal rings. Total displacement is 1950cc I believe
    12.5lb M20 SMF conversion.
    It's finally in one piece aside from what needs to be transferred over, right about when I'm ready to leave on vacation. Should be in the car and running in the next month or so.
    Attached Files
    You say "Where are your other two cylinders?"
    I say "Where's your other camshaft?"
    Frankenmotor: if an M42, M44, M20, S50, and S52 were to have a kid.
    Tags: None
    • benz-tech
      Grease Monkey
      • Jan 2011
      • 337
      #2
      And another
      Attached Files
      You say "Where are your other two cylinders?"
      I say "Where's your other camshaft?"
      Frankenmotor: if an M42, M44, M20, S50, and S52 were to have a kid.

        Comment

        • aintnothang
          Mod Crazy
          • Aug 2008
          • 743
          #3
          How much hp are you expecting?

            Comment

            • benz-tech
              Grease Monkey
              • Jan 2011
              • 337
              #4
              350hp











              /2
              You say "Where are your other two cylinders?"
              I say "Where's your other camshaft?"
              Frankenmotor: if an M42, M44, M20, S50, and S52 were to have a kid.

                Comment

                • MF DOOM
                  E30 Modder
                  • Apr 2012
                  • 944
                  #5
                  :up:

                  Solid sig as well!

                    Comment

                    • thebutcher37
                      R3VLimited
                      • Aug 2008
                      • 2877
                      #6
                      Sig :up: M42 <3

                      Cost?



                      jou ma se poes in 'n fishpaste jar.
                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ~~~~~~~~~~~~~~~~~~

                      Transaction Feedback

                        Comment

                        • benz-tech
                          Grease Monkey
                          • Jan 2011
                          • 337
                          #7
                          Cost is somewhere between 2k and $2,500. I did my own valve job and port work so add 400+ $$ for that. I milled the pistons as well. But that includes a $550 m44, with a cracked head I found out later, balancing everything and lightening the flywheel. The rest of the machine work, cam, m42 head, rings gaskets etc.
                          The tune will be extra. I spread it out over 2 years so the wife barely noticed. That and my current m42 just won't blow up.
                          You say "Where are your other two cylinders?"
                          I say "Where's your other camshaft?"
                          Frankenmotor: if an M42, M44, M20, S50, and S52 were to have a kid.

                            Comment

                            • Gerta
                              R3VLimited
                              • Sep 2009
                              • 2119
                              #8
                              I approve this thread. Sub'd!
                              Parts Collector and Former Houndstooth interior junkie.

                                Comment

                                • Gerta
                                  R3VLimited
                                  • Sep 2009
                                  • 2119
                                  #9
                                  Originally posted by benz-tech
                                  350hp

                                  If you were doing that set up NA, what do you think the HP would be? 160ish?








                                  /2
                                  Parts Collector and Former Houndstooth interior junkie.

                                    Comment

                                    • benz-tech
                                      Grease Monkey
                                      • Jan 2011
                                      • 337
                                      #10
                                      Hoping for around 175 at the flywheel hence the 350.../2 post. Might need to save for ITB's to really open it up. I will be playing with e30 and e36 cam and intake manifold combinations to see what makes the best, most-usable power before dropping bank on ITB's, however.
                                      You say "Where are your other two cylinders?"
                                      I say "Where's your other camshaft?"
                                      Frankenmotor: if an M42, M44, M20, S50, and S52 were to have a kid.

                                        Comment

                                        • Vanilla Gorilla
                                          Grease Monkey
                                          • Dec 2006
                                          • 357
                                          #11
                                          This is excellent. Nice work!
                                          sigpic

                                            Comment

                                            • gearheadE30
                                              No R3VLimiter
                                              • Jun 2007
                                              • 3734
                                              #12
                                              Looks good. I see you have what appears to be an R1200GS in the corner of the first pic? ADV riding ftw.

                                              Project M42 Turbo

                                                Comment

                                                • benz-tech
                                                  Grease Monkey
                                                  • Jan 2011
                                                  • 337
                                                  #13
                                                  Originally posted by gearheadE30
                                                  Looks good. I see you have what appears to be an R1200GS in the corner of the first pic? ADV riding ftw.
                                                  Ever think of becoming a detective? It's a workmate's bike but it is a BMW r1200
                                                  You say "Where are your other two cylinders?"
                                                  I say "Where's your other camshaft?"
                                                  Frankenmotor: if an M42, M44, M20, S50, and S52 were to have a kid.

                                                    Comment

                                                    • benz-tech
                                                      Grease Monkey
                                                      • Jan 2011
                                                      • 337
                                                      #14
                                                      It's in the car and running, my build thread is at m42club.com. I just added the COP KIT from hqautosport and love it. Pic won't load right now. Will try to get a smaller one.
                                                      While there also a lot of challenges from running OBDII, I love having data steam capabilities.
                                                      You say "Where are your other two cylinders?"
                                                      I say "Where's your other camshaft?"
                                                      Frankenmotor: if an M42, M44, M20, S50, and S52 were to have a kid.

                                                        Comment

                                                        • grke36m3
                                                          Member
                                                          • Aug 2014
                                                          • 86
                                                          #15
                                                          Did you remove the old motor with the tranny? Or did you leave the tranny in there?

                                                          Sent from my SAMSUNG-SM-G925A using Tapatalk

                                                            Comment

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