Posted by Garrett Schorran on July 22, 2009 at 21:39:40 from (72.60.216.20):
Hello all Over the past year i did an extensive rebuild on a Farmall 400 that had caught on fire. I rebuilt the motor with a red power motor kit, rewired the entire thing, and put all new ignition set, among many other things. Many of the parts were off the tractor for a good 8-10 months, but were put in plastic bags, ect. I put the whole thing back togeather and got it running. It has good oil pressure (65 pounds) and cools correctly. However, I have run into a few problems. Each cylinder fires, but it still sounds sort of rough. It will idle fine, but when you accellerate from idle to full throttle, the response time is very slow (I counted roughly 7-8 seconds for it to run at its full speed) and it still seems on the slow side. When I drive it on the flat, it drives ok, but if i go up a hill in 4th gear, it bogs down harder and harder until it wants to stall, and if i dont decellerate or even push the clutch in to let the motor speed up again, it would stall. I have a new fuel tank, so I dont think its a fuel blockage problem. The carb has a new needle and seat, but it is leaking out of the very bottom of the carb. the fuel linkage also seems to bind somewhat, and it seems like its in the governor somehow. when I tried adjusting the main fuel screw, other than completely closed (tractor shuts off) it seems to run the exact same 1 turn or 5 turns out. Also, when adjusting the distributor, I can tell when its too retarded or advanced, but everywhere in between the two extremes the tractor sounds like it runs the exact same. I am at a total loss, and am getting very frustrated. I apologize for the long post, but I am trying to be thorough so perhaps some experts can give me advice or somewhere to go from here. Thanks in advance Garrett Schorran P.S. I took apart my distributor tonight, and the mechanical advance system underneath the plate where the points and condenser are was free (but I have no idea about adjustments...)
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