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200whp with stock N/A rotating assy?

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    Originally posted by digger View Post
    looks a little soft for an s52 with forged slugs, cams and headwork??
    This graph was posted for people who are buying "off the shelf components". This was a baseline pull with the TRM chip prior to custom dyno tuning. While yes, the peak didn't change much, but under the curve was well complimented, and wtq was amplified :)
    john@m20guru.com
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      Sounds!!!

      Last edited by ForcedFirebird; 11-16-2022, 04:11 PM.
      john@m20guru.com
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        That is amazing!!!!

        You have me debating between doing ITBs on my E36 and buying an E30 and building a wild M20 car, leaning heavily towards the M20.
        2017 Chevrolet SS, 6MT
        95 M3/2/5 (S54 and Mk60 DSC, CARB legal, Build Thread)
        98 M3/4/5 (stock)

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          Oh man Im so jealous. I might have to vacation down to Florida to have you work some tune magic on my engine.

          Instagram: Reichart12

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            dang, 211whp is pretty impressive for only 2.8l! Junkyard M50s indeed..

            What trumpets to the RHD kits use? I'm looking for trumpets on my N52 but I haven't really settled on anything.
            Build thread

            Bimmerlabs

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              Awesome work John. M20 has been underrated for too long.
              ADAMS Autosport

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                Originally posted by nando View Post
                dang, 211whp is pretty impressive for only 2.8l! Junkyard M50s indeed..

                What trumpets to the RHD kits use? I'm looking for trumpets on my N52 but I haven't really settled on anything.
                It's not over yet ;) Injector DC was 100% by ~5k. You can see the AFR's go lean after there, at 7k they were at 126.6%. Not sure I want to try 24lb and all the 33 and 36's we have didn't pass a flow test.

                Originally posted by SkiFree View Post
                Awesome work John. M20 has been underrated for too long.
                Thanks! It sounds so amazing, video does it no justice. This is the customer referred to us by IE :)
                Last edited by ForcedFirebird; 01-22-2016, 12:17 PM.
                john@m20guru.com
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                Transaction feedback: Here, here and here. Thanks :D

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                  Impressive #'s Johns..!!!! Sounds incredible in person. I have a set of 850cc injectors if you need.
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                    Very nice! The video doesn't do justice to the sounds of ITBs

                    You still have cam timing and trumpet lengths you can play with?
                    My M20 Frankenbuild(s)
                    4 Sale - Fully Built TurnKey Megasquirt Plug and Play EMS

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                      Probably could use an adjustable gear with the block and head being shaved, but it doesn't have one. Probably just going to keep it simple, put larger injectors in and call it a day.
                      john@m20guru.com
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                        Doesn't look like it needs much more than that! 8^)
                        My M20 Frankenbuild(s)
                        4 Sale - Fully Built TurnKey Megasquirt Plug and Play EMS

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                          It does. 100% duty at 5500 and you can see the graph go lean after. :(

                          john@m20guru.com
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                            Originally posted by Good & Tight View Post
                            Impressive #'s Johns..!!!! Sounds incredible in person. I have a set of 850cc injectors if you need.
                            Thinking about 36lb to give some room, 850c would be a bit overkill lol.

                            24's might do it, but want to leave some margin.
                            john@m20guru.com
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                              I'd get 30lb it didn't go any leaner than 14 so probably doesnt need the 126% pulse width duty that was used/requested in the tune.
                              The only reason for higher would be to ensure the injection event happens entirely within a window on the intake stroke when doing injection timing in relation to cam duration
                              Last edited by digger; 01-22-2016, 02:30 PM.
                              89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...

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                                It did go over 14 a few instances. Looking through the logs now. Was wondering why we got a stutter a couple times at high RPM. We only did about 7 pulls and a couple of them weren't full. There's a couple places the duty was much higher and the AFR's spike as if the injector just stopped firing.

                                EDIT: Found one log to be at 146.2% DC lol
                                john@m20guru.com
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                                Transaction feedback: Here, here and here. Thanks :D

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