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Posted by Daryl in Oz [210.50.228.4] on Monday, May 09, 2011 at 02:56:02 :
In Reply to: Stromberg BXV-3 Air/fuel mixture posted by spencer Chance [68.226.140.116] on Sunday, May 08, 2011 at 23:59:06 :
You need to check for vacuum leaks first. The gaskets below the butterfly often degrade and leak a bit, then carb does as you describe. Check manifold for leaks as well and you can check float height while you are at it. Check needle and seat are working OK, it's possible to have slight leakage as the needle wears.