Computers can optimize your settings, but cannot over come physics. No air is no air. Newer cars may do better than a carb not jetted correctly, but the loss of power is still about 4% per 1000' of elevation gain.
I've driven both over the years, newer cars are definitly smoother, but you still need the HP to gets up the hill.
Bill will explain it better I'm sure, I apologize if I butted in......
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