if it is a decent track, you shouldn't have to touch the brake on the line. to launch mine i keep one foot on the gas at 2500 and the other on the clutch all the way to the floor. when you are ready to go, ease the clutch out. don't side step it with street tires. with street tires you will probably hear a shortt chirp that doesn't overwhelm the tires. i guess you have to play with the rate at which you release the clutch to find the best point. look for 600 ft times around 2.0 or 2.1. i shift my car at 5800 or so.judging by the other guys on the post, it doesn't do any good to short shift the car.