What octane should I need?

are u lucky and have the late closed chamber w2 heads for some quench? my 360 is a blueprinted 11.5 with quench, iron J heads, 35* total, 3200# with driver, runs fine for 15 years on 93 from any pump. cam is a flat solid 260*/260* at .050", 750 avs, blocked crossover, 4 gear and 4.88 gears. champion n9yc and/or autolite 53, at the track I add 5 gals. c12 and run 11 secs.