Maybe you are expecting too much with the power? I know a 100 extra horses sounds like alot, but when i had my car done, by the time the next day was over, i felt like i needed more.
If you are going by seat of the pants feel, maybe take your friends for a ride and see what they think, as the driver of the car i think you are usually prone to thinking it is slower than it really is.
If you are going by seat of the pants feel, maybe take your friends for a ride and see what they think, as the driver of the car i think you are usually prone to thinking it is slower than it really is.