The oil goes to the radiator to lubricate the tubes so the water flows faster and cools down faster. Surely that's obvious?

LarchesY
That's where your wrong see, I aint stooopid.

The oil is warmed up in the radiator to keep the engine up to the correct temperature.:p
 
You are all so stupid, the OIL heats up the water so your heater works! It’s actually an oil to water heat exchanger; it just LOOKS like a radiator.
 

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