[DeTomaso] Holley Problem

Tomas Gunnarsson guson at home.se
Wed Apr 2 15:02:13 EDT 2008


It would help if they reached close to the opposite wall and the fuel level was low enough not to cover the tube openings at full braking. This requires notched floats (which I think is available) to retain full float movement.

Tomas
  ----- Original Message ----- 
  From: Ken Green 
  To: Tomas Gunnarsson ; detomaso at realbig.com 
  Sent: Tuesday, April 01, 2008 12:05 AM
  Subject: Re: [DeTomaso] Holley Problem


  I can remember attaching small tubes to the jets that reached to about the center of the float bowl that I thought were suppose to address something like this.  Would that help this condition?  

  There must be a lot of road racers who solved this kind of problem years ago.

  Ken

  Tomas Gunnarsson <guson at home.se> wrote:
    Art,

    It's the secondary bowl that overflows on braking. While a vent whistle may improve your flooding problem there's little that can be done about the flooding that occurs through the main circuit into the venturi jets.

    Tomas

    ----- Original Message ----- 
    From: "Art Stephens" 
    To: 
    Sent: Monday, March 31, 2008 6:30 PM
    Subject: [DeTomaso] Holley Problem


    > It seems like my engine has always wanted to die when I step on the brakes with the car in neutral while coming to a stop. The problem seems to be worse with the new intake manifold that is tilted as opposed to the previous level Blue Thunder. I tried Jack's suggestion of running a piece of tubing from one vent to the other with a small vent hole drilled into the high point of the line, no improvement. Float level is set below the sight glass in the primary bowl. Float level is set at the sight glass at the secondary bowl. After the engine dies, it blows a little black smoke when I fire it up, so I figure it is flooding out. How is that happening? I don't understand how gas is getting out of the bowl and into the intake manifold? I guess I just keep lowering float levels until the problem is solved or until the engine starves for fuel? 
    > 
    > Art
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