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Old 02-16-2007, 07:13 AM   #3
johnjzjz
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a few ideas -- we glass bead ( corn huskers ) the parts with no air or fuel -passages can get clogged easy -- soak it in a gallon of enviro carb cleaner gunk 2 / 3 days -- it comes in gallon cans does not work as good as the old stuff did but its all that is out their -- the throttle blades have screws that were pined over, need to be lock tighted but will be a real thing if need to remove again ( from Holley they are squashed like a rivet ) a small amount of looseness in throttle shafts is ok -- don't worry about that -- set floats at the bottom of the bowl screw hole with car on a flat and running ( stock pump ) elect pump can do still cold and not running ) Caution fuel can leak all over the place -- about a turn and 1/4 is all you should need on mix screws - we tap into full time vacume like the dist has and adjust to best possible vacume and smoothness with a vacume gague -- 780s came for the most part Vacume secondaries some were converted to DP -- you can tune it to respond to light throttle 4 BBL with spring change in diaph if its a vacume carb -- let me know i have those and can send we don't do many vacume carbs any more -- jz
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