M50B25 boosting questions.

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  • clutterbucker
    E30 Addict
    • Jun 2004
    • 481

    #16
    estimated total cost?
    - 2000 Audi S4 Stg 2 (sold)
    - house (bought)
    - 1997 Civic Hatch (shaky but driveable)
    - 2010 Sportster 1200 Forty Eight Ed. (vroom)
    - 1991 318is S50B30 (TBA)

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    • DrMcDave
      E30 Mastermind
      • Oct 2003
      • 1793

      #17
      probably roughly 4k, but you can piece it together for cheaper, but i just don't have time to be messing around w/ that.

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      • clutterbucker
        E30 Addict
        • Jun 2004
        • 481

        #18
        Likewise.

        I'm still torn between a higher compression vanos M50 w/S50 cams, and a rebuild on the current engine with a 4k turbo kit such as the one you described.

        I guess time will tell.
        - 2000 Audi S4 Stg 2 (sold)
        - house (bought)
        - 1997 Civic Hatch (shaky but driveable)
        - 2010 Sportster 1200 Forty Eight Ed. (vroom)
        - 1991 318is S50B30 (TBA)

        Comment

        • DrMcDave
          E30 Mastermind
          • Oct 2003
          • 1793

          #19
          Originally posted by clutterbucker
          Likewise.

          I'm still torn between a higher compression vanos M50 w/S50 cams, and a rebuild on the current engine with a 4k turbo kit such as the one you described.

          I guess time will tell.
          well you can make more power w/ a turbo m20 but its sure to be more maintenance than the m50 you are describing. you could build a 3.4 liter m50 which could put down some good hp. swap the cam's and do a bottom end build i'd think you'd see some pretty nice hp numbers. i've seen s52's w/ cams put down 280whp. a 3.4 is plus .2 liters so maybe you could get to 300 i dunno.

          for now you should do the cams and basic bolts on which should get you about 205-210whp.

          Comment

          • So Live
            R3VLimited
            • Aug 2006
            • 2512

            #20
            Build the VANOS motor and sell me your n-v motor. Ill even come pick it up.
            -Chris

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