Quote:
Originally Posted by NachtRitter
Are new private aircraft built with ICEs that can handle lead-free fuel? If so, I'd be surprised that the airports don't offer both fuel types.
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Generally, yes. Or you can get an STC for many of the the more common models: my Piper Cherokee has one, and runs just fine on premium from the gas station.
Mainly it's a supply & demand thing. Aviation gasoline is a pretty small market, so few refiners produce it, and most airports only sell 100LL (100 octane, low lead). Some of the older warbirds take up to 115/145 octane.