i had stated in the message fuel or engine problem , i had done a complete tune up and changed the fuel filter, the car still does the same thing, and its getting worst, seems like it runs better when we advance the distributor could this be the problem?????i have to get the car running for the high school naionals at norwalk raceway park pleeeez help

 

need more info what is the car doing exactly. what was it doing before the tune up and after the tune up. what is getting worse?