its a smallblock 350 stock heads and yes I worded that wrong. I want to make this motor as fast as I can without having to use a supercharger nos or any other booster I want this to be all motor. I already have Edelbrock performer rpm intake and carb , a huge cam ,roller rockers , its bored out .30and thats about it and I want this to be strictly an Edelbrock Performer RPM motor