Reaction time is not counted in your ET...... it's just a number. It only counts if you are racing the guy next to you to see who gets to the end first, regardless of time.

I raced a mod'ed 396 Chevelle yesterday with the SSB. His RT was .294 and mine was .639 (eeeeek!)
At the end he was 12.874 @ 105.54 and I was 12.863@109.54.... my ET was better than his, but he beat me to the finish.... I had closed to his rear bumper when we crossed the line......