Quote:
Originally Posted by DifferentPointofView
Someone said something about more efficient cars heating up slower than non-efficient cars.
This is only the case if the engines are the same cc's, Because my mom's Caliber warms up in a bout a mile, my Jeep takes about 5 miles to warm up. and it's a 4L I6 VS. 2.4L I4
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I think that was a reference to thermal efficiency - not fuel efficiency.... A 100% efficient engine will never warm up (all heat input is converted to useful work rather than a portion going to work and the rest waste heat)
Too bad such an engine can't exist
