adjust your throttle trim on your radio....take off your air filter dont start the car.. turn on your radio and pull full throttle and then go to brake and then to idle..then very slowly go back to brake and watch your carb..if the car moves at all then you have your settings wrong on yourend pionts..if this is your problem you may want to adjust your linkage because if you take it out with the radio settings you may not get full throttle