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  4. NA or Turbo

NA or Turbo

Scheduled Pinned Locked Moved General Technical
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  • patsbimmer1P
    patsbimmer1P
    patsbimmer1
    wrote on last edited by
    #13

    Boooooooooooooost!

    2011 e90 M3 - DCT, Borla exhaust, BMW Performance Black Grille, ECS Painted Corners, Ziza Angel Eyes

    07 335i Stella - sport package, BMS DCI, zhp knob, TMS cf parking brake lever, VRSF downpipes, MHD tune, H&R race springs, other stuff *SOLD*

    97 328i Lola - sport package, m50 intake manifold, m50 manifold.com install kit, custom CAI, K&N filter, Borla exhaust, FK silverline coilovers, 25.5mm front sway bar, Powerflex front sway bushings, Turner Radiator, fan delete *sold*
    95 325is *sold*
    93 nissan 240sx KA-T *sold*

    BMWCCA #473306

    Instagram @patsbimmer1

    AKA- HALLWAY PAT

    "burnouts bring babes and babes dont have time for bushings" - Kaiser Rolls

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    0
    • Bassboy3313B
      Bassboy3313B
      Bassboy3313
      wrote on last edited by
      #14

      You know my vote! :P

      CHECK OUT >>> RAGE DRIFT DESIGNS <<< FOR DECALS AND MORE!

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      0
      • damnboy037D
        damnboy037D
        damnboy037
        wrote on last edited by
        #15

        N/A if you want to keep going slow, turbo if you wanna go fast.

        99 M3 320rwhp @ 6psi

        95 M3 s50b32

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        0
        • GunMetalGreyG
          GunMetalGreyG
          GunMetalGrey
          wrote on last edited by
          #16

          Snap said:

          If you decided to sell something with ball bearings id be busting down your front door with money in hand. 

          Dude, 10psi at 3k rpm from an m10.... You would make immediate boost on an m20.

          Hybrid turbos for the win.

          Sent from the future. Or my phone, who knows.

          ...

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          • teatoe993T
            teatoe993T
            teatoe993
            wrote on last edited by
            #17

            I prefer to keep things simple and cheap. And I prefer a smooth torque-band. Turboing a car is kind of juvenile in my opinion. But I'm 34, so there you go.

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            • KaiserRollsK
              KaiserRollsK
              KaiserRolls
              wrote on last edited by
              #18

              teatoe993 said:

              I prefer to keep things simple and cheap. And I prefer a smooth torque-band. Turboing a car is kind of juvenile in my opinion. But I'm 34, so there you go.

              does your display picture say "fart"  

              :lol:

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              • Brian.B
                Brian.B
                Brian.
                wrote on last edited by
                #19

                teatoe993 said:

                I prefer to keep things simple and cheap. And I prefer a smooth torque-band. Turboing a car is kind of juvenile in my opinion. But I'm 34, so there you go.

                Says the dude with a fart avatar. LOL

                instagram @howdoyoudrivethat

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                • JeffJ
                  JeffJ
                  Jeff
                  wrote on last edited by
                  #20

                  Vome drive my car and tell me you dont want turbo. And for the old farts it can help with gas mileage just dont run it hard. An tune for it.

                  Twin turbo less lag!!!

                  1976 530i e12
                  1990 325ix e30
                  1992 325i e36
                  1995 740il e38
                  2001 330xi e46
                  ^More to come :)

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                  • 240sxguy2
                    240sxguy2
                    240sxguy
                    wrote on last edited by
                    #21

                    teatoe993 said:

                    I prefer to keep things simple and cheap. And I prefer a smooth torque-band. Turboing a car is kind of juvenile in my opinion. But I'm 34, so there you go.

                    Sounds like fancy talk for slow. :)

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                    • Brian.B
                      Brian.B
                      Brian.
                      wrote on last edited by
                      #22

                      240sxguy said:

                      Sounds like fancy talk for slow. :)

                      This.

                      Also, if you do decide to turbo it, don't do twin turbo, that's way to much work for no gain. Just do an single.

                      instagram @howdoyoudrivethat

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                      • JeffJ
                        JeffJ
                        Jeff
                        wrote on last edited by
                        #23

                        Brian said:

                        This.

                        Also, if you do decide to turbo it, don't do twin turbo, that's way to much work for no gain. Just do an single.

                        There is gains for that extra work.

                        1976 530i e12
                        1990 325ix e30
                        1992 325i e36
                        1995 740il e38
                        2001 330xi e46
                        ^More to come :)

                        1 Reply Last reply
                        0
                        • EarlE
                          EarlE
                          Earl
                          wrote on last edited by
                          #24

                          Twin turbo is not a good idea. However, a compound turbo setup has many gains and advantages=)

                          museum sig 2earl.jpg

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                          • Brian.B
                            Brian.B
                            Brian.
                            wrote on last edited by
                            #25

                            Twin turboing a BMW M20 or even a 2jz, is kinda pointless, unless you go compound. But for a reliable dailyable car, I would not go twin. Just single it and call it a day.

                            instagram @howdoyoudrivethat

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                            • JeffJ
                              JeffJ
                              Jeff
                              wrote on last edited by
                              #26

                              A compund turbo set up is using 2 turbos

                              1976 530i e12
                              1990 325ix e30
                              1992 325i e36
                              1995 740il e38
                              2001 330xi e46
                              ^More to come :)

                              1 Reply Last reply
                              0
                              • EarlE
                                EarlE
                                Earl
                                wrote on last edited by
                                #27

                                Jeff said:

                                A compund turbo set up is using 2 turbos

                                But they are used in sequence. It isn't a twin turbo setup.

                                A twin turbo setup on a 2jz for example would have three exhaust ports feeding one turbo, and then three feeding another.

                                On a compound turbo setup, they're used in sequence. You use a smaller turbo that spools fast to feed the large turbo to eliminate boost lag as much as possible=D

                                museum sig 2earl.jpg

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                                • Brian.B
                                  Brian.B
                                  Brian.
                                  wrote on last edited by
                                  #28

                                  but with an M20, there really isn't any turbo lag, unless you go with a HX40+ or the likes.

                                  instagram @howdoyoudrivethat

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                                  • JeffJ
                                    JeffJ
                                    Jeff
                                    wrote on last edited by
                                    #29

                                    Earl said:

                                    But they are used in sequence. It isn't a twin turbo setup.

                                    A twin turbo setup on a 2jz for example would have three exhaust ports feeding one turbo, and then three feeding another.

                                    On a compound turbo setup, they're used in sequence. You use a smaller turbo that spools fast to feed the large turbo to eliminate boost lag as much as possible=D

                                    Very good point my sir

                                    1976 530i e12
                                    1990 325ix e30
                                    1992 325i e36
                                    1995 740il e38
                                    2001 330xi e46
                                    ^More to come :)

                                    1 Reply Last reply
                                    0
                                    • The Full BananaT
                                      The Full BananaT
                                      The Full Banana
                                      wrote on last edited by
                                      #30

                                      one of each is ideal, IMO.

                                      Tom - I have a few BMWs, an overworked Volvo 242, and now a YouTube channel called Drive, Revive, Tinker

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                                      0
                                      • T
                                        T
                                        tsweers89
                                        wrote on last edited by
                                        #31

                                        Brian said:

                                        but with an M20, there really isn't any turbo lag, unless you go with a HX40+ or the likes.

                                        Just because you have a hx35 does not mean your not going to have lag. It depends on your tune and also the exhaust housing. If he had something like a 1.07 or even a .94 I bet there would be lag and wouldn't see boost till around 3.2k. Also looking at the compressor map for that it isnt in the efficiency range until around 19-22psi which would mean he probably need a built lower end. Also hx35 is a was outdated turbo technology wise. A t3 garret or borg warner would be leaps and bounds better especially for what he plans on using the vehicle for.

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