Lots of gremlins can affect staring line reaction times and 60 ft. times Which brand is the converter and was it made for your car or used when you bought it? What size squirters and cams on the carb? How much front end travel before the front tires come off the ground? some things come easy, with the right parts, and others take a lot of work to get the results you want, especially in race cars Just like women, some parts need more massaging befor they perform well Some need replacing to get the results you desire AKA, let us know the answers to the above ?