IHC Model 340 Utility (Gas) Starting Problm

Hello!

While disking a field last week, I inadvertently ran my tank dry, and I have had problems since then starting the tractor. After I refueled, I could not get the tractor to start (I forgot abot bleeding the air from between the tank and the car). Then, I suspected the fuel filter may have become clog from suspended residue in the 52 year old tank. When I removed the fuel filter, I noticed difficulty in the fuel flow into the sediment bowl. I then removed the sediment bowl, and found excess "corrosion" and particulate build up in the "petcock assembly". I then replaced the sediment bowl and petcock assembly. I still could not get the tractor started, then remember (upon seeing the fuel "trickle" into the new sediment bowl ssembly, that I had to bleed the air out of the gas line. I still have trouble starting the tractor. Today, I took apart the carb and cleaned the needle and jet. Still, the tractor does not start. I then checked the points and rotor, everything seemed in place. In turning the tractor over, it fires up for less than 5 seconds, and sounds like it is firing on only 2, maybe 3, cylinders. Meanwhile, while the starter turns over, the motor and tranny sound like a thrashing machine. All fluid levels show full. After repeated attempts to start the tractor (unsuccessfully) today, I beleive I drained the battery, so that only the starter "clicks" and the tractor will not catch.

Would anyone care to venture a guess as to what is wrong with my tractor to explain why I can't get it to start? As an aside, when I bought the tactor back in '09, it had had th engine (top) overhauled, and since then,I guess I hadput on maybe 40 hours (the tach was disconnected until this past winter whn I had th carb rebuilt and the hydraulics overhauled).
 
Unscrew the whole sediment bowl assembly from the
gas tank. Take the petcock completely apart. The
inlet pipe may be clogged (the part that sticks up
into the gas tank). This happened to me on a few
occasions. Make sure the screen on top of the bowl
is clean, too. With fuel in the tank, when you open
the petcock, with the sediment bowl removed, fuel
should readily pour out; not trickle. Best of luck!
 

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