carb problem

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  • oldnelly87
    Member
    • May 2010
    • 85

    #1

    carb problem

    having problems with my holley 850 on my circle track car its a rocket ship down the straight aways but when im in the corners its flutting really bad like its pulling its self down then out of the corner it takes off again good. im not sure what to do ?
  • DANNY
    Senior Member
    • Jun 2007
    • 791

    #2
    Check the float level if its too low the fuel could be all to one side of the bowl in the corners... Does the fuel pressure drop when it does this?
    »»*†HÀ†§ HÓ††™««

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    • joedoozer
      Senior Member
      • Nov 2009
      • 745

      #3
      I agree with him. If pressure stays steady check your float levels.
      Crew Chief "Tip of the day":
      Most handling problems can be solved by adjusting the screw-ball. It can be difficult to fine tune at times. Explaining yourself loudly and striking it on top of the helmet with a dead blow hammer usually works well.

      Comment

      • C10
        Senior Member
        • Nov 2008
        • 359

        #4
        I have had quite a few carbs do this. The fix is, take a piece of tubing and connect the float bowl tubes together. Cut a hole in the tube in the center on top of it and zip tie it to the air cleaner stud. If your float level is correct and verified and it was pulling over out of the tubes then this will fix it.

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        • oldnelly87
          Member
          • May 2010
          • 85

          #5
          Originally posted by Living_Truth
          Agree with C10, sounds like it's getting too much fuel. You might also go to a smaller accelerator pump up front, or tighten up the adjustor on the arm so it squirts a little later. 850 is a big carb, what size motor are you running under that monster?
          its a 14:5.1 355ci .645 lift roller cam light crank and rods. doesnt make its peak power too about 7500rpms its really strong down the straight away justs pulls away

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          • fast_crew
            Senior Member
            • May 2007
            • 844

            #6
            Sounds like floats to high possibly, causeing the boosters to drible or fuel spewing out of the vent tubes. Check float level, set to just below the sight plug and see if that helps. Check and see if you carb has the white plastic vent whistles installed in the bowl area, they will be at the very top of the main body when you pull the bowl off.
            Josh K.

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