Energetic, Euphoric, Talkative. 91 Octane is a hybrid weed strain made from a genetic cross between Biscotti and Scotty2hotty. This strain is 60% sativa and 40% indica. 91 Octane is known for its high THC content making this strain an ideal choice for experienced cannabis consumers. Bred by Exotic Genetix, 91 Octane features myrcene as the dominant terpene. Total THC 78.70% Total Terps 4.2%