octane rating and engine performance
In Texas, the minimum octane rating is 87. On a recent trip to Glacier, I noticed a lot of the fuel in states like CO, WY and MT, the octane was 85, and you had to buy the mid-grade to get 87 and abov...
Forum Discussion
Boosted engines create their own atmosphere and turbocharged engines can compensate for altitude by just changing waste gate settings. They are really only limited by supercharger or turbo charger capacity. That's how some piston engine aircraft were able to operate at altitudes of 40,000 ft.
