Tombo wrote:
Top to bottom in all cars.
It goes with natural convection - engine makes water hot, water goes up, radiator makes water cold, water goes down.
Thats why vintage car rads are so tall.
Um, not so fast....
Most (or many) newer cars us crossflow raditors, the tanks are on the sides. They rely on the pump more for circulation.
There is a slight mounting angle there usually but it's hardly `top to bottom.'

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R.
