You will have to re-drill the shift brackets that came with the car putting the hole lower than were it was drilled, thus giving a greater throw on the bracket with the same amount of cable movement. Not sure what your car number is but I would hope they would have cured this problem on later cars.
I speak a different language most the time, sorry.... I meant to say re-drill the levelers. Here is a picture of my car set up, sorry for the dirt, I drive mine.