Wow, a guy tries to point you in the right direction and you slap him. 10.5 compression with aluminum heads doesn't need race gas, and may slow the car down if it doesn't burn it correctly. Your car, do what you want, but you should be able to take advice. Mid 7's in the 1/8 will get you mid 11's in the 1/4, you can multiply your 1/8 mile ET by 1.57 to get your 1/4 mile ET.