Where to link up a heater?
You probably know that the correct heater take off was from an adaptor at the rear of the head. Worst place possible. The majority of coolant flow the bottom of the radiator is through the TD pump and then down the external water passage under the manifolds to the back of the block. The rest of the water enters the BLOCK through two small slits behind the pump impeller, and through the one or two small holes drilled from the water passage into the blocks water jackets. Thus the back of the head receives water from the BOTTOM of the radiator which is about the coolest in the system. If you will look at a TF’s water outlet and thermostat assembly, you will notice that on the left side there is a plugged hole about 1/2 inch in diameter. That’s where the factory intended the heater take off point to be. TD overheating In the past year I rebuilt the engine for my 52 TD. Until recently it has only been on the road for short trips. This past weekend we went a little further and of course it i
