What about instant green? Heck take the red bulb out entirely. Then the timeslip will tell the story.
Make it real fair, just flip a coin, just have to have a picture of a race car. Bracket racing came about because you could run anything, run any ET, run within your budget and not be run over by the money bags. One reason it's lasted almost 50 years. With tru start, everything is evened up finally.
