Re: Race or av gas in miami area
100 LL avgas is for slow spinning air cooled engines for the most part. Not for high performance by any means. It does have more lead in it than any automobile gas ever had though.
I filled up a tank full of avgas in my 65 ss Malibu 8.75 to one compression, because it was free,(defueling airplanes for inspections) it ran way slower, it did smell nice though.
Basically, if you do run it, just put a couple gallons mixed w/91-93 octane. it really is not a performance fuel.