Hagen Brothers farms,Goodrich ND | I run a 64 4020 gas, first year for 4020 so your late 4010 would be a 63.
The aluminum carb was a real bad deal, the big iron carb with vacuum accelerator pump was not much better.
In my opinion the carb on the 4020 was much oversize for the application and runs poor at anything but full load. I fitted a smaller carb off a Moline U model which makes it a much better and cheaper running engine for partial load yard work . I use it to run a 13 inch grain auger so power is down little if any.
You already did the electronic ignition thing, so I need not go into how weak the stock point ignition was.
If you still have the original Delco 10MT starter, I don't have to tell you about the poor cranking / starting. I put a spiral cell Exide Orbital AGM battery with heavy cables in a box right by the starter and replaced the whimpy 10MT starter with a direct replacement 20MT starter that has twice the cranking power of original. The starter , battery, carb and electronic ignition makes it start at 30 below with no protest, no steering wheel winding during starting or any such crap.
The small carb does better fuel mixing at less than full throttle and the hot electronic ignition lets me lean out the mixture for cheaper running engine where you don't need to run it overly rich to compensate for the stock weak ignition system.
With the carb and ignition mods they run dead smooth, never know it is the same former slobbering, smoking at low speed tractor
Edited by Jon Hagen 1/2/2011 00:19
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JD 4010 gas ?
