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Thread: HC head install update

  1. #1
    Join Date
    Feb 2007
    Location
    FL
    Posts
    453

    HC head install update

    I got the new head on and did a comp. check and its about 170-175 with a 100 main jet. I havent changed the fuel yet but its a nice improvment.

    If anyone has anymore ideas for this wc drx 90 please do tell.

    Thanks Ken
    DRR racing team
    www.g-forcepowersports.com
    DRR NATION.com
    Dragonfireracing.com
    07 drx 70 production
    08 drx 70 production
    Polaris RZR +6 dragonfire racing a-arms
    http://s207.photobucket.com/albums/bb133/kenjolly/

    Experience is something you don't get until just after you need it.

  2. #2
    Join Date
    Sep 2005
    Location
    Ottawa Illinois
    Posts
    782
    Nice improvement where...low end? Overall?

    Thanks
    The power of accurate observation is commonly called cynicism by those who have not got it.

  3. #3
    Join Date
    Feb 2007
    Location
    FL
    Posts
    453
    low end mostly, we run against modid apex 100. we need all we can get on a shoe string budget. to many quad and not enough sponsors.
    DRR racing team
    www.g-forcepowersports.com
    DRR NATION.com
    Dragonfireracing.com
    07 drx 70 production
    08 drx 70 production
    Polaris RZR +6 dragonfire racing a-arms
    http://s207.photobucket.com/albums/bb133/kenjolly/

    Experience is something you don't get until just after you need it.

  4. #4
    Join Date
    Sep 2005
    Location
    Ottawa Illinois
    Posts
    782
    Did you do the OKO carb mod?
    The power of accurate observation is commonly called cynicism by those who have not got it.

  5. #5
    Join Date
    Feb 2007
    Location
    FL
    Posts
    453
    no i havent, im not that sold on it yet. none of mine have the problems thats going to fix. maybe its a mistake and i need too,i bought the bits to do it. i do also have clutch springs and reeds coming.

    thanks for the help,keep it coming

    Mechanic in training.
    DRR racing team
    www.g-forcepowersports.com
    DRR NATION.com
    Dragonfireracing.com
    07 drx 70 production
    08 drx 70 production
    Polaris RZR +6 dragonfire racing a-arms
    http://s207.photobucket.com/albums/bb133/kenjolly/

    Experience is something you don't get until just after you need it.

  6. #6
    Join Date
    Oct 2006
    Location
    FLA.
    Posts
    531
    the compression you have now is perfect! This is what the DRR was lacking to get them up to speed. Im glad to hear it went well for ya.
    Special thanks to 11-12 Sponsors

    East Coast Performance

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