I just had my old 9n engine rebuilt a couple of months ago. I had to pull it down this week to replace the oil pickup tube, the machinist assembled the bottom end and I had carefully checked the tube beforehand, now it has been "sealed" with RTV and it broke loose during the break-in period and the new rear seal leaked. "If you want something done right,do it YOURSELF".
Anywhoo, when I dumped the coolant it did not appear to have mixed despite several hours of continuous mowing and other use which should have heated it up. The block was full of what appeared to be plain water with a LOT of rust in it.I had put in water and then antifreeze in roughly a 50/50 mix when it came back. Supposedly the engine was hot tanked and I installed a new radiator and thermostat.
Any ideas on why just plain water in the block?
Anywhoo, when I dumped the coolant it did not appear to have mixed despite several hours of continuous mowing and other use which should have heated it up. The block was full of what appeared to be plain water with a LOT of rust in it.I had put in water and then antifreeze in roughly a 50/50 mix when it came back. Supposedly the engine was hot tanked and I installed a new radiator and thermostat.
Any ideas on why just plain water in the block?