Well I got it when Josh Explained it. All I needed to know was that I had to get all the green dots under the '2' in 12.5 on the Dyno and that each dot is worth 2 points...
So far this game, I have lost 5 car's to pink slips, all beaten by piece of $hit Civics, Had a 'Vette stolen by some arrogant tw@face, and has taken me till now to reach $300,000, only to drop to $20,00 by some miserable a$$hole in a $hitbox of a Honda.