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Miata valve cover on GTX (B6T)?

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    Miata valve cover on GTX (B6T)?

    Chaps, a B6T head is a B6T head is a B6T head, right? If so, the the Miata B6 valve cover should retrofit directly to a GTX without fuss, yes? If that's correct, then how about ports and such? Are they compatible so as to do a direct swap? Or, must any mods be done to make it happen? I think it'd look pretty spiffy under the hood.

    Thanks,
    Scott F. Williams
    Team Director
    Usually Sideways Rally Team
    www.usrallyteam.com
    856.456.3335

    #2
    should bolt right in, also the MX-3 B6 DOHC valve cover should also bolt right up

    Comment


      #3
      Originally posted by mx-3_4evr View Post
      should bolt right in, also the MX-3 B6 DOHC valve cover should also bolt right up
      Sweet. How about the PCV port or any other/s that I may not be thinking of right now?

      Danke,
      Scott F. Williams
      Team Director
      Usually Sideways Rally Team
      www.usrallyteam.com
      856.456.3335

      Comment


        #4
        Wont fit without modification. Pcv port and throttle body get into a disagreement iirc.
        12 cbr250r: daily ride
        01 saab 9-3: daily
        98 gsxr 1100: for sale
        93L: money pit/ space waster
        92GL: low and slow beater
        90?: the rust free shell
        89LX: swapping to rust free shell
        89L: for sale
        89L: parts
        87 conquest: dohc 4g64 swap underway
        76+80 vw dashers: for sale

        Comment


          #5
          I know a couple Miata guys that run the B6T valve cover... I can't see why it wouldn't work the other way.

          1988 White GTX - #1 parts
          1988 Black GTX - #2 reliably broken touge monstar (294,000 miles no rebuilds) - dead
          1988 Blue GTX - #3 in progress (view here)
          1988 Blue GTX - #4 BPT swapped weekend warrior.
          1988 White GTX - #5 Rally car

          Comment


            #6
            Try it then report back.

            Comment


              #7
              I'm definitely going to pick one up and let y'all know what I come up with. Here's the exact look that I'd like to pull off:

              Scott F. Williams
              Team Director
              Usually Sideways Rally Team
              www.usrallyteam.com
              856.456.3335

              Comment


                #8
                Ill try to put mine on my spare block tomorrow. I know it didn't fit when I tried last but I cant remember exactly why now.
                12 cbr250r: daily ride
                01 saab 9-3: daily
                98 gsxr 1100: for sale
                93L: money pit/ space waster
                92GL: low and slow beater
                90?: the rust free shell
                89LX: swapping to rust free shell
                89L: for sale
                89L: parts
                87 conquest: dohc 4g64 swap underway
                76+80 vw dashers: for sale

                Comment


                  #9
                  it will work, however like mentioned above the PCV and breather will be in oddball spots. the other thing is on a B6T we have that plate between the cam gears and head that the cover bolt to. you will need to remove the timing belt, cam gears and 6? 10mm bolts that hold the cover on.

                  i forget on the B6T but i know that on the BPT this plate also has the cam gear alignment marks on it, make sure you mark everything good
                  "See that car, in the 80's that car was deadly." Random man to his son while passing the GTX in a parking lot

                  Originally posted by neuspeedescort
                  the proper spelling would be "Launchabilitiness" i do believe.
                  -88' Mazda 323 GTX, 1.8t, Modified Magazine May 2012
                  -88' Mazda 323 GTX, caged and ready for dirt
                  -93' Mazda Miata, half caged
                  -09' Mercedes C63 AMG
                  -87' Toyota Land Cruiser, 33's with slight lift, safari style!

                  Comment


                    #10
                    Alright I went out and tried it again. A miata vc will not fit unless you cut/grind out part of it. The miata vc is taller than the b6t vc and sticks up in front of the throttle body. (sorry for crap pics)



                    12 cbr250r: daily ride
                    01 saab 9-3: daily
                    98 gsxr 1100: for sale
                    93L: money pit/ space waster
                    92GL: low and slow beater
                    90?: the rust free shell
                    89LX: swapping to rust free shell
                    89L: for sale
                    89L: parts
                    87 conquest: dohc 4g64 swap underway
                    76+80 vw dashers: for sale

                    Comment


                      #11
                      Thanks for the pics, Joe. I suppose that I'll be okay given that I'm going with something that resembles this prototype arrangement:



                      Here's a rendering that you can spin around yourself (embedded in PDF). And, here are some static renderings to see the internal detail and such:





                      We'll begin casting these universal plenums/inlets within a few months. If anybody wants to step up and bang out some B6T head flanges with injector bungs, that'd be super cool. Then, we'll have a drop-in solution for our favorite (market invisible) cars. (Injector placement in conventional location is preferred for best drivability.)
                      Scott F. Williams
                      Team Director
                      Usually Sideways Rally Team
                      www.usrallyteam.com
                      856.456.3335

                      Comment


                        #12
                        Originally posted by shorestiva View Post
                        The miata vc is taller than the b6t vc and sticks up in front of the throttle body.
                        Btw, if one removes that PCV bung and makes the valve cover flush (as if the bung was never there), does enough room exist to clear the stock TB? Or, must the thing actually be notched?
                        Scott F. Williams
                        Team Director
                        Usually Sideways Rally Team
                        www.usrallyteam.com
                        856.456.3335

                        Comment


                          #13
                          Originally posted by Scott@USRT View Post


                          How much?
                          12 cbr250r: daily ride
                          01 saab 9-3: daily
                          98 gsxr 1100: for sale
                          93L: money pit/ space waster
                          92GL: low and slow beater
                          90?: the rust free shell
                          89LX: swapping to rust free shell
                          89L: for sale
                          89L: parts
                          87 conquest: dohc 4g64 swap underway
                          76+80 vw dashers: for sale

                          Comment


                            #14
                            Originally posted by Scott@USRT View Post
                            I'm definitely going to pick one up and let y'all know what I come up with. Here's the exact look that I'd like to pull off:

                            [img]http://www.flyinmiata.com/projects/mazdaspeed_photos/IMG_1074.jpg[img]
                            I remember when my engine bay looked like that, now it's a mess.
                            Last edited by dustinlib; 11-15-2010, 08:30 PM.
                            93 323, 94 MX-3, 04 MSM, 83 Jeep Cherokee, 87 b2000
                            www.gunshowracing.com

                            Comment


                              #15
                              Originally posted by shorestiva View Post
                              How much?
                              Pricing on a prototype-ish unit like that would depend on the head flange fabrication (or "harvest"/cannibalization of OEM intake manifold). It's part of the equation that I'm not efficient at taking care of right now. Thus, it exaggerates a sale price and limits my enthusiasm to get involved. Once it is out of the way, though, it's all systems go.

                              Frankly, I believe that level of a product will sell better (to the GTX/early Miata market) than the über fancy set up in the renderings. It'll function plenty well, too. That's with a standalone ECU (and we already know how to do 95% plug n' play systems there via CP forum vendor, Lex). I'll bet we could even make it work (to some extent) with a factory ECU. Perhaps we could rope our ECU tweaking buddy, Rocketman, into that.

                              Again, it's the darned head flange that we need to come up with and then it's ON like Donkey Kong. Who wants to pitch in?
                              Scott F. Williams
                              Team Director
                              Usually Sideways Rally Team
                              www.usrallyteam.com
                              856.456.3335

                              Comment

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