well,i personally would start with the fuel lines.work my way forward to the carb.ive had to run a baling wire completly through the gas lines before to remove old tar left from fuel.the fact that it ran good for a while and then laid down on you would indicate to me that the new fresh fuel is removing the deposits in the system.something that the modern gasahol fuels should be good at.remember some( i dont recall on the 302) had a fuel filter on the fuel pump also,in addition to the regular in-line filter.you may simply take the line loose at fuel pump to tank and use a air compressor to blow back through it.if its clear you should hear it very well in tank.fuel pumps on these old things have a habit of clogging up also after setting for a long time.pull the line off carb have someone crank it and see if it gets a full stream of fuel.trace it back from there.one thing to check for also is fuel leaking out side of pump.thats a sure indication of a bad diaphram.holly four barrel?some of these have externally adjustable needles and seats.they also were bad to fail after sitting.for one they had a o-ring on them that would allow fuel to pass,number two there is two float bowls ,one primary one secondary,problem in either would cause flooding,which could be your problem also.but normally a flooding condition would be acompanied with a lot of black smoke which you dont mention having.remove air cleaner and look for adjuster on top right (as veiwed from the front) of float bowl where fuel line enters.thats the needle and seat.fuel level should be just at bottom of hole when you remove screw at top left hand side of bowl.DONT DO THIS WHILE RUNNING!!!tube runs down right side of carb to secondary bowl, they can plug also...but i dont think secondarys are your problem,even though some were vacumn.only other thing i would check is point gap,and fire if weak could be an old weak condenser.
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Today's Featured Article - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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