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Kamotors E30-Turbo to ITB M20

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    Nice I thought you made that auto work for you :)

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      I lol's @ power "passed 7k". Just awkward to hear that haha.

      Are you fine with how late the turbo comes on? Or do you think the 3.73 makes up for it?
      What would you change?

      1991 325iS turbo

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        Looking good buddy! :D
        BimmerHeads
        Classic BMW Specialists
        Santa Clarita, CA

        www.BimmerHeads.com

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          Originally posted by ak- View Post
          I lol's @ power "passed 7k". Just awkward to hear that haha.

          Are you fine with how late the turbo comes on? Or do you think the 3.73 makes up for it?
          What would you change?

          I've fixed the AFR up a bit past 6200rpms so it should be up a bit more at 7k now, my spool up AFR is a bit rough but I'm really not sure as to why my turbo spools that late. Its the equivalent to a gt35, I get some boost by 3300rpms but not full until around 5500rpms. so its really not much better that the holset I had.

          its fine with the 3.73 since my revlimter is at 7300, I easily make 60mph in second gear by 7k.


          7speedshop.com

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            Looking good,1000% better with the new spoiler IMHO!!!

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              added 4 degrees of timing to first gear load areas above 2800rpms and below 5k rpm at loads around 80kpa and below but above 30 kpa and I now get 5 psi in first at around 5k which is almost an entire 1000rpms sooner in first gear.. Sooo basically huge improvement, a little lean under light cruising but that will be fixed soon.

              so basically my late spool was a big timing issue, it felt very "flat" before but now it feels peppy and very responsive in on and off throttle situations, should be pretty killer for auto-x.

              and I need to get a video for you guys, I've never heard another turbo e30 make this insane sound, my down rev past 6k sounds similar to an e46 m3.

              its that glorious bmw race car rasp that my car lacked.


              7speedshop.com

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                I overlayed my old 20psi setup to the new head 15psi setup and I'm making 53more whp past 6500 now:)


                7speedshop.com

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                  nice work!
                  FS NY: two Audiobahn A235HC amps and audiobahn 1farad capacitor
                  Saab/GM tech2 programming
                  My for sale thread
                  1990 325iX for sale or part out
                  Did you buy something from me? Please leave feedback!



                  Originally posted by K20RI_211
                  And I have to ask if you make a hobby out of thread-bombing with retarded questions?

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                    I wonder what 23psi will put down with the new head?! ;)
                    1988 E30 335i - 1987 E30 327i - 1987 E30 327iS Pickup - 1973 2002 Project

                    Visit www.BimmerHeads.com for all of your 12 valve needs!

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                      Very impressive... Can I ask what you did for the oil filter and oil cooler lines?
                      The Great Big M20 Timing Belt DIY

                      Some good information I've found online (no affiliation):
                      Turbo Tech (Garrett)
                      Four-cycle information and cam properties for beginners (ISKY Racing Cams)

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                        oil filter is relocated to behind the fog blank area.


                        7speedshop.com

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                          quick video from a friend, don't know if its viewable to all.
                          https://www.facebook.com/photo.php?v=503780543015349
                          Last edited by kamotors; 04-07-2013, 03:16 PM.


                          7speedshop.com

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                            fixed link^


                            7speedshop.com

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                              Link says unavailable buddy...

                              :(


                              Project log -- DIRTY 30

                              2.7i * Megasquirt tuned * E85 powered

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                                Sweet baby Jesus! That pull!
                                I Say... that is some awesome shit!

                                '86 325e- (parts car)
                                '89 325i- DD and project aka "Shirley"

                                Progress thread for Shirley

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