My 2011 Silverado has an elaborate air intake system to ensure that it sucks in the coolest air available at the time/location/environment of it's operation. The cooling is controlled by 2 sequential electric fans that are operated and sequenced by the onboard computer. Once the engine comes up to temperature and remains running, the analog temp gauge on the dash sits at 210F and never moves.
It uses a conventional, push rod, 4.8 Liter V8, MPFI and performs tasks as good or better than my older 5+ liter V8 engines of the past on today's 87 octane fuel, at 50& or better economies.....exiting purer exhaust.
I compare that to my 1971 pig Chevy 4 door 400 cu in big block station wagon weighing a couple k# less running intake air right off the belt driven radiator/tranny cooler/AC cooling fan, gasping to get up to 10 mpg if it could ever get there running a 192 or thereabouts stat.
I know a lot has changed over the years in engine design, but with today's emission/efficiency rules, apparently hotter is better.......as are lubricants to tolerate such......my 2c.
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