what rpm did you shift at?did you let the engine pull all the way before you shifted?did you have good traction?how long have you been driving the car?there are alot of things to factor in at the drag strip,driver skill being one of the most important...PRACTICE PRACTICE PRACTICE....if this was ur first time at the track,you certainly could've done worse..not the worst et i've ever seen...your car may very well be just fine,and with the proper driving skills(practice makes perfect)you'll watch that et fall...