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Interest in M20 bottom mount manifold?

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    Interest in M20 bottom mount manifold?

    Hey guys, I'm currently developing an equal length bottom mount manifold for the M20, which will include a custom passenger engine mount. More than likely will be T3 (not pictured). I'm trying to see if there is still any interest out there outside of my local group.

    Pictured is the prototype, production will be schedule 10 stainless pipe.





    #2
    Nice. More options on the market are always a good thing, how is the charge and intake piping going to be routed?
    @turbovarg
    '91 318is, M20B25, T3/T04E 60 trim (15psi), megasquirt, coilovers, Z3 rack, cold AC
    [b u i l d]
    [Car of the month: April 2018]

    0c8b7c9527af628a346878feb14bf757

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      #3
      love it.
      just need to weld a cast elbow and heat wrap the coupler.

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        #4
        Looks pretty great.

        Potentially a dumb question as a non fabricator, but what is the purpose of those blue pipes?

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          #5
          Originally posted by varg View Post
          Nice. More options on the market are always a good thing, how is the charge and intake piping going to be routed?
          We're getting there, all in good time.

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            #6
            Originally posted by e30davie View Post
            Looks pretty great.

            Potentially a dumb question as a non fabricator, but what is the purpose of those blue pipes?
            it saves a lot of time/material figuring out how to route everything. The pieces snap together so you can get an idea of how equal your runners are. Also saves time cutting because you have angles to go off of.

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              #7
              Update: here is how the t3 fits up

              Sent from my Moto G (5) Plus using Tapatalk

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                #8
                The manifold is done.

                Sent from my Moto G (5) Plus using Tapatalk

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                  #9
                  Making a heavyweight version. Schedule 10 gonna be ready for lots of boost. Sent from my Moto G (5) Plus using Tapatalk

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                    #10
                    The bottom mount manifold is ready for production!
                    If anyone is interested in one of these head over to http://oldspoolperformance.com/spend-it

                    Click image for larger version

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                      #11
                      glad to see more products rolling out for the M20's, time to save some pennies
                      1990 325i Cashmere Beige

                      "I don't like question marks. They're like exclamation points, but think they're fancy because they're curved. I won't tolerate it." -MNChiefsan

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                        #12
                        Looks great!

                        Out of curiosity, though, why bottom mount? There's so much room with the m20 vs the 24v engines due to the 10 difference in bank angle.

                        Is it high enough to gravity feed the return?
                        john@m20guru.com
                        Links:
                        Transaction feedback: Here, here and here. Thanks :D

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                          #13
                          Originally posted by ForcedFirebird View Post
                          Looks great! Out of curiosity, though, why bottom mount? There's so much room with the m20 vs the 24v engines due to the 10� difference in bank angle. Is it high enough to gravity feed the return?
                          We wanted to go bottom mount mostly for better heat control and weight distribution. The return should be fine we're close to testing it. As you can see in the photo the turbo sits well above the oil line. Sent from my Moto G (5) Plus using Tapatalk

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                            #14
                            more progress shots.

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                              #15
                              i would just get this because it's super sneaky paint it dark brown. "What turbo?" :D

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