Nope, I don't drive my car at 5000 feet.
1000ft and this is worth mentioning AV gas was 20 hp higher than 110 sonoco on recent Dyno testing, ALSO....it is 1/2 the cost of sonoco 110.
ALSO almost all race fuels are based off of AV gas.
If the op only requires 93 then 100LL is plenty.