AKG motor mount direction

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  • cbusrehab
    Member
    • May 2008
    • 90

    #1

    AKG motor mount direction

    Alright, I'm just getting everything lined up to drop in my s50 next weekend. I have the AKG m/s50 specific motor mounts, do the studs on the mount go through the inner hole on the subframe or the outer hole?

    Figure the more I know up front the less I have to figure out as I go along next weekend.
  • 7pilot
    E30 Addict
    • Feb 2009
    • 475

    #2
    Outer.
    The mounts are side specific.


    This is the left hand side mount.
    Notice that the taller or convex side is on facing the block.

    m
    sorry 'bout the pic size.
    Attached Files

    Comment

    • cbusrehab
      Member
      • May 2008
      • 90

      #3
      Thanks for the help and the pic. I figured they were, this should save me from trial and error time.

      Comment

      • e30user
        Noobie
        • Feb 2004
        • 36

        #4
        Sorry to bump such an old thread. I recently got some akg swap mounts. They don't include any instructions or diagrams, and that picture really helped me out after searching for posts. However, I'm not so sure if 7pilot's response is still accurate. At least not with the mounts I recently got.

        To be sure, I emailed akg and here's their response in case anyone else is wondering.

        Originally posted by my email to AKG
        Sorry for the
        silly question, but are these mounts side specific?

        As for installation, my guess is that the studs go through the
        subframe's inner-hole and the mount's tab goes through the outer
        slotted hole of the subframe. Is this correct? After fitting them
        this way, things look about right. I just didn't consider that they
        might be side specific, and would like to make sure.
        Originally posted by response from AKG
        The mounts are not side-specific; both are exactly the same.

        Yes, you are correct on the positioning of the studs and tab.

        Due to the angle of the mounts, when installing it is sometimes easiest to
        loosen one engine bracket, and fit the motor mount stud through before
        lowering the motor all the way. This will ensure the angle and fitment is
        correct. Things may look a bit off, but once you tighten everything down
        completely, the fit will be correct.
        Hope this helps!

        Comment

        • 7pilot
          E30 Addict
          • Feb 2009
          • 475

          #5
          I see what you mean.
          The picture is of a correct installation.
          The threaded stud goes through the inner hole and the locating stud in the outer.
          Make sure you have welded in sub-frame reinforcements.
          I also added a heat shield to the RH mount to protect it from header heat during periods of idle.
          Make sure you have them sitting loosely so that they have a good amount of wiggle when you drop the engine in.
          It'll prevent you from hyperventilating when at first glance, things look far from matching up.

          m

          Comment

          • e30user
            Noobie
            • Feb 2004
            • 36

            #6
            Originally posted by 7pilot
            I also added a heat shield to the RH mount to protect it from header heat during periods of idle.
            Did you make your own heat shield? I was wondering if any oem ones were able to be used, or if people are just making their own. I haven't been able to find pictures of setups that use a heat shield as a reference. I guess it's one of those things that are simple enough to be self explanatory, but I don't trust my assumptions.

            Comment

            • bimmer630
              E30 Fanatic
              • Mar 2009
              • 1228

              #7
              I bought Revshift mounts and they use the outer slotted holes.. which to me is kinda ghetto but it works. Just be aware that if u use them and havenever reinforcements u will need to do some grinding to the plates to get the nuts on the mount

              Comment

              • 10Toes
                Me Father Was A Tree
                • Jan 2008
                • 61222

                #8
                Originally posted by bimmer630
                I bought Revshift mounts and they use the outer slotted holes.. which to me is kinda ghetto but it works. Just be aware that if u use them and havenever reinforcements u will need to do some grinding to the plates to get the nuts on the mount
                You can use the Revshifts in the round hole, it's how I have mine.

                Comment

                • ZM Blue Devil
                  Forum Sponsor
                  • Dec 2006
                  • 13836

                  #9
                  we use the AKG mounts with the e36 heat shields, often two of them butterflied to protect the mounts.
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                  Comment

                  • bimmer630
                    E30 Fanatic
                    • Mar 2009
                    • 1228

                    #10
                    Originally posted by 10Toes
                    You can use the Revshifts in the round hole, it's how I have mine.
                    I called revshift about that and they said some guys use the round holes also... I couldn't see any way that that would work I have the subframe loose and the engines on a stand... I would have to stress out the mounts in order to get them into those other holes and once its alla tight they would be a little tweaked wouldn't they? Seems like this would cause premature failure

                    Comment

                    • 10Toes
                      Me Father Was A Tree
                      • Jan 2008
                      • 61222

                      #11
                      Originally posted by bimmer630
                      I called revshift about that and they said some guys use the round holes also... I couldn't see any way that that would work I have the subframe loose and the engines on a stand... I would have to stress out the mounts in order to get them into those other holes and once its alla tight they would be a little tweaked wouldn't they? Seems like this would cause premature failure
                      Yeah, I don't really care for how they sit but they have been in for a year and haven't failed yet. Soon I will be getting AKG's or just making my own mounts that fit better.

                      Comment

                      • bimmer630
                        E30 Fanatic
                        • Mar 2009
                        • 1228

                        #12
                        I was kinda annoyed when the dude at Revshift told me they just copied e28 mounts. I thought I was buying a bolt in swap mount that fit the factory holes. No biggie though as its pretty much the least of worries when getting a swap done

                        Comment

                        • mtlbloodshot
                          Mod Crazy
                          • Jul 2011
                          • 761

                          #13
                          Anyone know what these mounts should be torqued at? IIRC the stock mounts should be torqued roughly 30ftlbs?


                          MY BUILD THREAD
                          http://www.r3vlimited.com/board/showthread.php?t=235231

                          INSTAGRAM : @luchcolaneri

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                          • bimmer630
                            E30 Fanatic
                            • Mar 2009
                            • 1228

                            #14
                            Gudentight.. in Newton meters

                            Comment

                            • mtlbloodshot
                              Mod Crazy
                              • Jul 2011
                              • 761

                              #15
                              Great response


                              MY BUILD THREAD
                              http://www.r3vlimited.com/board/showthread.php?t=235231

                              INSTAGRAM : @luchcolaneri

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