I have owned this 656 gas tractor for about 3 weeks now. It has ran fine up until now. The other day the tractor died and I thought it was out of gas. I added some gas and it took a bit but it started back up. I parked it and when I tried to start it a couple days later, it would not start. Before I bought it, the previous owner had the fuel tank cleaned out and the carburetor rebuilt by a Case/IH dealer. It acted like it wasn't getting any gas as I could get it to pop off with ether. I pulled the carburetor and cleaned it out. It had a bit of rust in it, but not a whole lot. Put carb back on and still will not start. Pulled the plugs out and they were a bit wet. Cleaned the plugs, drained the engine oil and tried to start. Still no luck. I checked the compression and all but one cylinder is at 160 psi. One is at 145 psi. I also plugged a vacuum gauge in at the fitting just above the carburetor and I am not building any vacuum while cranking. Pulled the carburetor back off and there is quite a bit of gas running out of the carb inlet and the intake manifold. I am not sure what the compression should be, but 160 psi should pull the fuel in. I am sure there is something I am missing, but just can't think of it right now. Any ideas would be greatly appreciated.