[milanojess]

I am sure it’s a safety margin thing. Chances are it’s going to run just fine with 92. But JRSC wants to be on the safe side where car is WOT all the time and just maybe in certain situation that might be harmful for the engine. I do mix if not full 100 oct (too lazy to mix) as insurance against possible major engine damages. There were times I forgot and started day with 92s, that’s prob okey as I warm up to the track. After first session I’d fill up with 100oct to get roughly 50/50, and full 100oct from there on. It drinks gas faster than my 8cyl NA car lol!