if your nut is not adjusting anything it would mean that you have adjusted the needle assy all the way down into the fuel bowel so that its flush with the top of the boss on the bowl...if you take the top screw out and remove the nut you will see what I mean...you should be able to get a hold of the 2 flat spots on the needle assy with needle nose pliers and screw it back out in order to put the adjusting nut back on...there are 2 paper gaskets that only seal the nut and screw on top from leaking under pressure...if you cant retrieve the needle assy you will have to remove the bowl assy as a whole and get it from the inside...if you have damaged the needle valve (Viton tip) then you will have to replace just the needle assy which are available at most car parts stores or performance shops and can be done without removing the carb or the bowl..do not replace with an edelbrock...they are a poor copy of a thermoquad and most end up at swap meets or junked out...the only thing wrong with holly's are people don't know how to adjust them....theres a reason why racers still run them or variations of them ..if you have more questions shoot me an email ...hope this helps
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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