was able to get outside this morning to check on the 8n tractor i have been rebuilding first time in 7 days it was 16 degrees outside and in the tent garage the 8n is in turned on the key gave it a little gas pulled out the choke pushed starter and it turned rite over and started slowly pushed in choke it ran just like a new tractor its still a 6 volt system let it run till the thermostat opened and radiator started to get warm made my day never have changed any of the tractors i have rebuilt to 12 volt went to the 52 to 30 sitting outside and it started also i have no place to keep them inside and this is UTAH hope your days go as well Bill