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Custom HG for 86mm Bore Stroker?

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    #16
    Originally posted by Philo View Post
    Yeah, if you are running a 10:1 ratio, 91 octane should be fine. That's what i'm at, and it's also what MM recommends for their 10:1 ratio engines. 11:1 is where you really need to make the jump. Just make sure your chip is mapped accordingly.

    BTW, I hope you were nice to Jim's wife when she picked up the phone. She makes an awesome breakfast.
    Nice!

    And I spoke directly to Jim. Awesome guy!

    Does MM provide chips / engine management for these strokers?

    Can't seem to find it on their site.


    --->>>1988 SETA 2.7i Build Thread (Turbo Prep)<<<---

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      #17
      tune it properly and run approproiate cam you can run 11:1
      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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        #18
        Originally posted by Overlord475 View Post
        Nice!

        And I spoke directly to Jim. Awesome guy!

        Does MM provide chips / engine management for these strokers?

        Can't seem to find it on their site.
        yes, apparently done by markd
        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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          #19
          And MM does provide a chip for their complete engines. They use Mark D software and write the chips custom for their application.
          -tim
          Originally posted by Jordan
          I like the stance
          -Coining hip terms since 10/9/03

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            #20
            to get the most out of the engine you're going to want more than just a chip if you want to get every possible HP out of the motor - MM is great, but their main goal is stock reliability with a bit more power, not neccesarily all out raw power. So they tend to be a bit conservative (like with their cams). A chip for the stock ECU is a great place to start though, and a safe way to break in the motor without worrying about the tune too much.
            Build thread

            Bimmerlabs

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              #21
              I totally agree. MM is based on reliability, not guns blazing power. The M20 in my car that they built is an amazing DD engine.
              -tim
              Originally posted by Jordan
              I like the stance
              -Coining hip terms since 10/9/03

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