3.1L stroker w/ Dbilas

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  • vlad
    Banned
    • Dec 2003
    • 0
    #31
    I mever heard of Dbilas, are they in the US?
    Engine bay looks sexy !

      Comment

      • E30 Racer
        E30 Addict
        • Nov 2004
        • 427
        #32
        Three questions:

        1. Do you have flow numbers for your head?
        2. Did you consider ExtrudeHone rather than the ITBs?
        2. What's the diameter of each ITB?

        I'm curious, since my guess is that the throttle bodies will outflow the capability of the head by a wide margin, even with that nice cam and header combo.
        Garrick
        1989 325is
        DSP #72

          Comment

          • Jordan325iC
            E30 Mastermind
            • Aug 2005
            • 1697
            #33
            Originally posted by CleanAzzE30z
            Yeah thats what I had heard many times. Be nice to have some numbers.



            Mariano
            There was a guy in San Antonio who had the ITB setup. He was stationed in germany and got the thing from a junkyard for something unbelievably cheap ($50?). He had it on a stock m20 and that car made 155whp on the dyno. So almost no gains without tuning.

            '88 325is
            VP UT of Austin Autoholics
            BMWCCA 380364

              Comment

              • e30frosh
                R3VLimited
                • Dec 2004
                • 2170
                #34
                Is there any way I can get a "Dbilias Organic" on the cover?

                Every day I wake up we drink a lot of coffee and watch the CNN
                Every day I wake up to a bowl of clover honey and let the locusts fly in.
                Lobsterbacks attack the town again
                Wrap all my things in aluminum
                Beams of darkness streak across the sky
                Pink rays from the ancient satellite
                Every time I look out my window same three dogs looking back at me.
                Every time I open my windows cranes fly in to terrorize me.

                  Comment

                  • ZiMMie
                    E30 Modder
                    • Jun 2004
                    • 968
                    #35
                    DOHC pwr teritory.

                    Great #'s

                    www.stancefactory.com

                      Comment

                      • Brandon12V
                        E30 Fanatic
                        • Feb 2008
                        • 1318
                        #36
                        this is the exact build up i am getting ready to do. props man. is it alright if I PM with any issues I run into?

                        Originally posted by Ryan...
                        It now emits a beautiful blue-ish yellow/green smoke from the exhaust?? No idea what would cause that color, but I assume its good.

                          Comment

                          • Mot
                            45 toting redneck
                            • Jul 2004
                            • 4018
                            #37
                            sexy looking m20.. rather do all that work to a dohc motor tho :P

                              Comment

                              • alex
                                R3VLimited
                                • Oct 2003
                                • 2024
                                #38
                                Originally posted by E30 Racer
                                2. What's the diameter of each ITB?
                                45 mm each.

                                  Comment

                                  • e30polak
                                    R3V OG
                                    • Nov 2006
                                    • 6136
                                    #39
                                    Originally posted by Mot
                                    sexy looking m20.. rather do all that work to a dohc motor tho :P
                                    X2

                                    s50b32 ITBs look 10X betters.
                                    Check out Undr8d Empire on Facebook: www.facebook.com/Undr8dEmpireLlc

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                                    Scarlet V2 - #Project333Ti by @castromotorsport, @kingsautobodyshop, @bimmerheads, @hardmotorsport, @excel_motorsports & @mateomotorsports - http://www.r3vlimited.com/board/showthread.php?t=371356

                                    Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

                                      Comment

                                      • golde30
                                        R3V OG
                                        • Nov 2003
                                        • 11464
                                        #40
                                        holy grail of m20 n/a tuning.
                                        IG: @Baye30

                                        FRONT VALENCE IS ZENDER!!! STOP FILLING MY PM BOX PPL!!!

                                          Comment

                                          • 318isbmw
                                            Moderator
                                            • Nov 2005
                                            • 2841
                                            #41
                                            Originally posted by golde30
                                            holy grail of m20 n/a tuning.
                                            +1
                                            I love my dohc, but oldschool motors so much fun, makes you feel like the world is about to end when you get going...

                                              Comment

                                              • digger
                                                R3V Elite
                                                • Nov 2005
                                                • 5909
                                                #42
                                                it will interesting to see what the dbilas does for the topend

                                                here is my 3.1L M20 with "standard cast manifold" and 283/273 catcam

                                                works out to be 218rwhp/207rwtq on a dyno dynamics shootout dyno



                                                and a S50B30 euro on the same dyno for comparison (red is stock, blue is with Autronic)

                                                89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...

                                                new build thread http://www.r3vlimited.com/board/showthread.php?t=317505

                                                  Comment

                                                  • gstuning
                                                    E30 Modder
                                                    • Oct 2003
                                                    • 833
                                                    #43
                                                    the SMT6 does have ignition control.
                                                    Gunni
                                                    @ Prodrive / Aston Martin Racing

                                                      Comment

                                                      • ILoveMPower
                                                        Mod Crazy
                                                        • Feb 2005
                                                        • 607
                                                        #44
                                                        Man, I would love to see a video of this!!
                                                        1990 Islandgrun 535iM Sedan
                                                        Euro lights + trim | Eibach/Bilstein | BBS RC090 17x8 | EAT Chip | Port + Polish | IE 284 Cam | Built valvetrain

                                                          Comment

                                                          • Chris E30 Cab
                                                            E30 Modder
                                                            • Oct 2003
                                                            • 866
                                                            #45
                                                            Cheers Digger, that will be very helpful since i will be using a Dyno Dynamics here in the US. Those are great numbers and I'm really looking forward to getting mine on the dyno for the tune. On my last 3.0L stroker I used the Dastek dyno when the car was tuned with the Unichip piggyback so I guess it's a bit hard comparing numbers from different dyno's :( Calvin's was dyno'd on the same Dastek unit too.

                                                            The dbilas setup is not available in the US....it was once sold through BMP Design with their own name on it, but I don't think they carry it anymore. Anyhow, just check out their site at http://www.dbilas-dynamic.de

                                                            387 miles so far.............dammmmmnnnnn

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