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...why can't they just use the ENGINE OIL as coolant?
...with today's engines using thermostats almost as hot as the engine oil operates, it'd be a WIN-WIN situation: (a) the engine oil would run at a constant, cooler temperature; (b) water-based (rust-causing) coolant would be elminated; and (c) common engine oil would be only fluid needed.
...and -- something to remember -- because the only reason todays' cooling systems are 'pressurized' is to "raise" the boiling point of the coolant higher than 212ºF, there'd be (d) NO reason for a "pressurized" system any more.
Last edited by gone-ot; 01-18-2012 at 07:11 PM..
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