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C&s alcohol dual needle and seat carb help

Discussion in 'General Carb Tech' started by kilrhq, Oct 21, 2012.

  1. kilrhq

    Joined:
    Feb 3, 2008
    C&s alcohol dual needle and seat carb help

    Hi all
    Trying to tune this carb on my car (sbc with gt42 turbo) and have run into a problem. I'm running real lean like 6.7 afr, I had 164 jets in the back and changed them to 180 and then to 188 with little or no gain, does this mean I have to drill out the restrictors now to get more volume, so then I can go down in jet sizes to get a tune?
    Need help and ideas
    Not many people down here in oz to help
    Cheers
     
    kilrhq, Oct 21, 2012
    #1

  2. kilrhq

    Joined:
    Feb 3, 2008
    Re: C&s alcohol dual needle and seat carb help

    Well, pulled rear bowl off, no restrictors behind the power valve, just 6 machinened holes. Afr is 5.3 at 11 psi and the transition from an to boost is ordinary, it also stalls when you throttle off. Any ideas??
     
    kilrhq, Oct 22, 2012
    #2

  3. candsspecialties

    Joined:
    Sep 24, 2011
    Let us know if you still need help.

    Thanks
    Matt
     
    candsspecialties, Dec 20, 2012
    #3
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