Re: hardened valve seats L78
I think the FAA requires a minimum 110LL to qualify for AvGas label. Although, in the Canadian/Alaskan bush country, we use any kind of gas we can get our hands on! Fortunately, here in LV, we have over 50 gas stations that sell 100 Octane at the pump...$3.49 @ Gal. Ouch!
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