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1- Do you understand how to operate the excess fuel control? You must have the fuel control cable held in the excess fuel position, and the throttle 1/4 open. 2- You must be using a circulating tank heater. What size (wattage) is it? 3- Have the biggest diameter cables you can get made. Check with heavy truck shops and starter/alternator shops. THEY CAN BE MADE. No matter what battery arrangement you are using, you need big cables. Forget about 24V. Get two 6V with the highest CCA you can find. Build a battery box and mount it as close to the starter as possible. The shorter the cables, the better. 4- Have the injectors rebuilt. Just trust me on that. 5- If all of this fails, the only other option is a overhaul and installing the late-style pistons. The German engines built after about 1980 start much better than the older ones. 6- Throw the damn ether can away. You've got other problems if it wouln't start with ether. I just got done overhauling a 4320 Deere which had cracked pistons from using ether. That engine was was in otherwise good shape and would not have needed anything more than a head gasket if the guy would have just kept the ether away from it. 7- Your's is a Hydro. I'm not really up on those, but your starter must also have to turn the hydro pump, as it is connected to the engine. Are you using Hy-tran? Has it been changed recently? Does pushing in the inching pedal make a difference in cranking speed?
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