Quote:
Originally Posted by martureo
I don't think is this an apples to apples comparison. Diesel engines produce more internal heat energy than gasoline engines, on that alone I'd think that that the cooling systems on a diesel would be greater than that of a comparable gasoline engine.
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I owned a 540 cubic chevy engine that used the same thermostat I'm using in my Om603 now. My 540 BBC made 685 hp to the wheels and creates a ton of heat. I understand diesel engines create a lot of heat and the turbo really adds to that. But I drag raced that engine and drove it hard and that small thermostat had no issues. The point I was trying to make about the Thermostat size is that it doesn't matter if the cooling system is efficient.