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what is the maximum HP that an tuned NA M20 can reach

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    what is the maximum HP that an tuned NA M20 can reach

    so i was wondering what HP number can a heavily tuned NA M20 reach lets say a 3.2 stroker kit with ITBs ,headers , nice exhaust ,some proper head work and a 332°/324° dbilas dynamics camshaft ...
    Last edited by BMW B3 2.5; 11-27-2013, 01:26 PM.

    #2
    What's an m20?

    Search.
    1987 325is - S52

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      #3
      All about a budget my friend. No doubt a 3.2L could put down ~220whp with the right build, but it ain't going to be cheap.
      I like cats.

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        #4
        2.8L, 14:1 comp, E85 fuel, peak power at 8000rpm. 259 kw at the wheels, thats 347 whp.



        Here's the thread where the builder talks about it, some doubt the dyno results but I didn't read the whole thread to see the outcome.

        m20b27 Turbo. Hx35. Twinscroll Mani. MS1. 42lbers
        http://www.r3vlimited.com/board/showthread.php?t=338818

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          #5
          You are here:
          R3VLimited Forums > E30 Technical Forums > 24V Motor Swaps > M50/52 & S50/52

          You should be here:
          R3VLimited Forums > E30 Technical Forums > Engine & Drivetrain > M20
          Originally posted by kronus
          would be in depending on tip slant and tube size

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            #6
            i know that building an M20 is expensive but i am just wondering whats the highest HP number an M20 can achieve NA without racing fuel

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              #7
              How old are you?

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                #8
                what's my age has to do with the question ( i'm 21 )
                Last edited by BMW B3 2.5; 11-27-2013, 01:29 PM.

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                  #9
                  723hp
                  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

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                    #10
                    Originally posted by digger View Post
                    723hp
                    are you sure ??

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                      #11
                      Originally posted by BMW B3 2.5 View Post
                      are you sure ??
                      try and let us know how you go.....
                      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

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                        #12
                        Originally posted by digger View Post
                        723hp
                        You're mistaken. It was 732hp.

                        1991 325iS turbo

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                          #13
                          Over 9000.

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                            #14
                            you can probably get like 230 out of a streetable M20. Anything more than that would make it just annoying to drive from what i have read. The M20 isnt a massive powerhouse of an engine. Honestly if you want to make a powerhouse M20 sad to say requires forced induction. If you are going to make a extreamly powerful engine N/A the M20 is not the way to go. But if you are hell bent on a insainly powerful M20 then just look into what other people have done. With the amount of money they spent on an M20 a Stock S38 or a S54 would just eat it for breakfast and cost about the same in the end.

                            on a side note
                            Originally posted by BMW B3 2.5 View Post
                            so i was wondering what HP number can a heavily tuned NA M20 reach lets say a 3.2 stroker kit with ITBs ,headers , nice exhaust ,some proper head work and a 332°/324° dbilas dynamics camshaft ...
                            that is not a vary fun build the cam would make it idle like shit. Im getting a 293 for my M30 and thats border line in my opinion.
                            Float like a cadillac sting like a Bimmer!:)

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                              #15
                              not sure what the max is but in the process of doing a 3.0 with itbs, headers, custom tune from Mark D and aiming for 220-230 range to the wheels.
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