Octane

My small block 416 with Edelbrock heads had 11.9 to 1 compression ran just fine on 93 octane..
LSA on your cam make a difference as well. Lots of thing involved really. I was just wondering what most hot rodders ran on the streets. I know some guys that run 14 and 15 to 1 on streets. They just run races fuel. Obvisiously they have more money than I lol !!