Posted by John in Ct on August 19, 2007 at 18:08:29 from (69.24.45.40):
I have posted about this before ( and still have no luck) and am out of ideas. I have 2 carbs for my Farmall H that I rebuilt using IH kits, they both leak . I have set the float 1 27/32" measured from the gasket surface ( measured with the gasket in place ). I have used new rubber tipped IH needle and seats. I tried steel tipped IH NOS needle and seat. I tried both rubber tipped and steel needle and seats right out of the box and have also I have lapped the steel needle with valve lapping compound and tapped the rubber needle lightly too. I have used good floats with and without the little dimple from needle wear. I have checked to make sure the washer under the seat is sealing . The float seems to not be hanging up and seals when I blow air into the carb. Out of desperation I bought a Tisco kit ( but didn't try it yet) and it said to measure float level WITHOUT the gasket but the +- they give is about the IH gasket thickness. Any ideas?? Thanks!!!
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