1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

b16 bottom end

Discussion in 'Forced Induction' started by t3t4si, Dec 22, 2003.

  1. t3t4si

    t3t4si Member

    Messages:
    81
    Likes Received:
    0
    Joined:
    May 28, 2003
    Ok i've run into a few problems. It seems my piston rings on cylinders 3 and 4 are pretty much toasted. I have no scaring on the cylinder walls. Im only boosting around 8-9 psi (that is still cutting it close i know). What would you guy's recommend doing in this situation. I dont want to completely rebuild it cause i dont want to boost any higher. I just want those boost levels to be safer. I was thinking on new oem pistons and rings with a cooper head gasket to lower compression just a bit. I have posted this on the engine building page. But i wanted to hear what the turbo techs have to say. Im open to any advice.
    My fuel management is
    vortec 12:1 fmu
    440cc injectors
    walbro 255 fuel pump
    aem fuel rail,regulator, and filter
     
  2. K2e2vin

    K2e2vin Senior Member

    Messages:
    8,446
    Likes Received:
    92
    Joined:
    Jan 2, 2003
    Location:
    Raleigh, NC
    getting the new rings, pistons, and head gasket should work. i would still keep it at around 8-9psi.
     
  3. pissedoffsol

    pissedoffsol RETIRED

    Messages:
    49,693
    Likes Received:
    53
    Joined:
    Sep 28, 2002
    Location:
    Retirement Home
    the fmu is your problem... you can't/shouldn't be running 440s on an fmu.

    get a vafc, run the "hack" and throw out the fmu
     
  4. t3t4si

    t3t4si Member

    Messages:
    81
    Likes Received:
    0
    Joined:
    May 28, 2003
    OK thanks for the advice ill start the rebuild after christmas. Run the "hack" and throw out the fmu. Thanks.... Ill keep the progress posted
     
Verification:
Draft saved Draft deleted

Share This Page