I added the water line to back heater on my FJ60 and the back heater works and rear radiator to cool the hot turbo water. this also helps to warm up the engine faster when dealing with cold temp.By the way, I ran out of all turbos and manifold so no more for sale.
Here are some photos of my own FJ60 turbo setup
Here are some photos of my own FJ60 turbo setup
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