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    • F80 M3 with forged rods and pistons plus Gintani S55 crank hub fix making 737 rwhp with Pure Stage 2+ turbochargers

      This is the proper way to do it. Yes, you can do well over 700+ wheel horsepower on factory S55 internals. It's just a question of for how long. This owner upgraded his pistons and rods plus added the Gintani S55 crank hub fix kit for peace of mind.


      Mod list:

      - Custom tune
      - Pure Stage 2+ turbos
      - Fuel-It! Port injection and LPFP
      - Gintani crank hub fix kit
      - Pauter rods and Wiseco pistons
      - Upgraded DCT clutches

      737 rear wheel horsepower and 655 lb-ft of torque at the wheels:


      That is a great looking curve with power building all the way to the top.

      As for the fuel used, boost, and correction factor, @Peter @ Pure/PTF will need to chime in below in the comments.

      This article was originally published in forum thread: F80 M3 with forged rods and pistons plus Gintani S55 crank hub fix making 737 rwhp with Pure Stage 2+ turbochargers started by Sticky View original post
      Comments 4 Comments
      1. maristgrad09's Avatar
        maristgrad09 -
        Any idea how much a pistons and rods package isnfor an s55?
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by maristgrad09 Click here to enlarge
        Any idea how much a pistons and rods package isnfor an s55?
        I don't know.
      1. Peter @ Pure/PTF's Avatar
        Peter @ Pure/PTF -
        Its on E75 / meth fuel. More is possible but this car gets valve float issues early.
      1. Sticky's Avatar
        Sticky -
        Click here to enlarge Originally Posted by Peter @ Pure/PTF Click here to enlarge
        but this car gets valve float issues early.
        Headgames can take care of that...