You need to use the road and whats on it to your advantage - i.e. if you are behind a car on a straight, hang back far enough so he cant overtake you both, then when there is only enough space for you to get past, go for it. then you can pull away, whilst he is stuck behind the car... Little tricks like this used to help me beat my mates escort cosworth on runs, time after time. There is no way in the world I could live with it on a clear road, but use what you got - your brain! and you should do ok