I just drilled out the rivets and tossed those things, looked much better without the labels. Now I can spot a newbie with those stock labels still on.
You will have to change your racing style or you will go home dissapointed. If you don't leave the hole full throttle and not let out till the end you will get waxed.
The slides might be in the right carbs but in backwards, they have a groove in one side that lines up with a pin in the carb. The cutout has to face the filter side.