From what I remember, higher octane fuel has more of a controlled burn, where low octane is more akin to an explosion, with no real control of the flamefront or anything.

Shawn Clone Jezabel- 1999 SE Sport V6 MTX- Severly wounded, comatose Silver frost/Black Exterior-Midnight Blue Interior The Firecracker- 1995 Mystique LS V6 MTX stock and backfiring like a rifle shot I have 3 loves, my God, Brittany, and my Car.