Dude don't worry about trying to get the best reaction time. Launch the car only when you are ready to go. Your shooting for the best 1/8 mile time you can get so who cares if the car next to you wins or loses.
ST Crew #32
FocusFest 2008 and 2009 Fastest NA, 2009 Fastest FI Runner-Up, and 2008 Bracket Winner