Engine coolant block drain

am-radio

Original poster
Member
Apr 24, 2012
178
Does anyone know if the 5.3 has an engine coolant block drain? If so, a picture would be awesome. Since winter is coming I want to install a circulating block heater. With this heater, the entire coolant, block and heater core are heated to temperature. And when you start the truck, it throws heat right away. I have one on another vehicle and it is so much better than a block heater.
 

am-radio

Original poster
Member
Apr 24, 2012
178
Thank you. That's exactly what I'm looking for. Now to figure out the type of thread so I can buy a barbed hose fitting with the same threads.
 

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